{"products":[{"id":11142676021590,"title":"Nostrum Volkswagen Audi EA113 2.0 TFSI High Flow DI Injectors","handle":"nostrum-ea113-high-flow-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe Nostrum Volkswagen Audi EA113 2.0 TFSI High Flow DI Injectors are the direct injector upgrade for the older, cast-iron-block EA113 2.0 TFSI, the engine in the Mk5 Golf GTI, the Mk6 Golf R, the early Jetta and Passat, the 8P A3, the B7 A4 and the TTS. These flow 40% more than the stock Mk6 Golf R HDEV1 injector at 1484 cc\/min at 100 bar, which is what gives a mapped EA113 the extra volume it needs once boost or ethanol pushes the standard injector to its ceiling. They are pre-assembled and tested, built to the HDEV1 injector outline with the large spigot o-ring, and they arrive with a custom o-ring and backing ring package, a harness adapter and an injector spacer, so the awkward parts of the swap are covered rather than sourced separately.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMk5 GTI and Mk6 Golf R builds where injector duty is the limit on a big map\u003c\/li\u003e\n\u003cli\u003eEA113 cars moving to E85 or a strong ethanol blend\u003c\/li\u003e\n\u003cli\u003eK04 and hybrid turbo setups that have outgrown the factory injector\u003c\/li\u003e\n\u003cli\u003eOwners who want the o-rings, adapter and spacer supplied rather than chased down\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe 130 Bar Pressure Relief Job\u003c\/h2\u003e\u003cp\u003eOne detail decides whether this upgrade does what you want. The factory rail relieves at 130 bar, and these injectors need that relief changed to run above it. Nostrum rates them to a maximum recommended 180 bar, so if the calibration plan commands pressure past the standard relief point, that change is part of the job.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injection (DI) injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1748\u003c\/li\u003e\n\u003cli\u003eVehicle Application: Volkswagen and Audi EA113 2.0 TFSI\u003c\/li\u003e\n\u003cli\u003eFlow: 1484 cc\/min at 100 bar, 40% over the stock Mk6 Golf R HDEV1 injector\u003c\/li\u003e\n\u003cli\u003eMax recommended operating pressure: 180 bar\u003c\/li\u003e\n\u003cli\u003eInjector outline: HDEV1, with large spigot o-ring\u003c\/li\u003e\n\u003cli\u003eFuel compatibility: E85 compatible\u003c\/li\u003e\n\u003cli\u003eIncluded items: pre-assembled injectors, custom o-ring and backing ring package, harness adapter, injector spacer, installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere This Sits Against The Later EA888\u003c\/h2\u003e\u003cp\u003eThe EA113 and EA888 look close on paper and share nothing useful in the fuel system. On a Mk6 GTI or a B8 Audi, the \u003ca href=\"\/products\/nostrum-ea888-gen-1-gen-2-upgraded-injectors\"\u003eEA888 Gen 1 and Gen 2 injectors\u003c\/a\u003e are the correct set. The rest of the range sits in the \u003ca href=\"\/collections\/fuel\"\u003eFuel collection\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eMatch your car against the table below, using the factory injector part number where you can, because the EA113 ran several. Plan the rail pressure relief change alongside the fitting and line up a calibration built for these injectors; Nostrum makes tuning data available through dealers and tuners. Send Hoonies the details on imports or already-modified cars.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow DI injector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-1748\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eVolkswagen \/ Audi EA113 2.0 TFSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate (nHeptane)\u003c\/td\u003e\n\u003ctd\u003e1484 cc\/min at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate (Viscor 16A)\u003c\/td\u003e\n\u003ctd\u003e17.9 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e40%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax recommended operating pressure\u003c\/td\u003e\n\u003ctd\u003e180 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInjector outline\u003c\/td\u003e\n\u003ctd\u003eHDEV1, large spigot o-ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel compatibility\u003c\/td\u003e\n\u003ctd\u003eE85 compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported potential with matching tune and hardware\u003c\/td\u003e\n\u003ctd\u003e570 whp gasoline, 460 whp E85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSetup requirement\u003c\/td\u003e\n\u003ctd\u003eFuel rail pressure relief change to run above the 130 bar stock relief\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eFactory injector part numbers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Mk6 Golf R\u003c\/td\u003e\n\u003ctd\u003e2010-2012\u003c\/td\u003e\n\u003ctd\u003e06F906036F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Mk5 Golf GTI, Jetta, Passat\u003c\/td\u003e\n\u003ctd\u003e2006-2008\u003c\/td\u003e\n\u003ctd\u003e06F906036, 06F906036A, 06F906036D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A3 8P\u003c\/td\u003e\n\u003ctd\u003e2006-2008\u003c\/td\u003e\n\u003ctd\u003e06F906036, 06F906036A, 06F906036D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A4 B7\u003c\/td\u003e\n\u003ctd\u003e2005-2009\u003c\/td\u003e\n\u003ctd\u003e06F906036, 06F906036A, 06F906036D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi TTS\u003c\/td\u003e\n\u003ctd\u003e2008-2009\u003c\/td\u003e\n\u003ctd\u003e06F906036F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDo I need to change anything on the fuel rail?\u003c\/h3\u003e\u003cp\u003eIf you plan to run above the factory 130 bar relief pressure, yes: the rail pressure relief has to be changed. Below that point the standard relief is what it always was.\u003c\/p\u003e\u003ch3\u003eIs the harness adapter included?\u003c\/h3\u003e\u003cp\u003eYes. The set arrives pre-assembled and tested with the custom o-ring and backing ring package, the harness adapter and the injector spacer, plus instructions.\u003c\/p\u003e\u003ch3\u003eWill these fit a Mk6 GTI?\u003c\/h3\u003e\u003cp\u003eNo. The Mk6 GTI is an EA888 car and takes the EA888 Gen 1 and Gen 2 injectors. This set is for the EA113 applications listed above, which includes the Mk6 Golf R.\u003c\/p\u003e","published_at":"2026-07-24T17:58:04+01:00","created_at":"2026-07-24T13:03:27+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["Audi","Audi A3","Audi A4","Audi TTS","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:audi-a3","fits:audi-a4","fits:audi-tts","fits:volkswagen-golf-gti","fits:volkswagen-golf-r","fits:volkswagen-jetta","fits:volkswagen-passat","make:audi","make:volkswagen","type:high-flow-direct-injectors","Volkswagen","Volkswagen Golf","Volkswagen Golf GTI","Volkswagen Golf R","Volkswagen Jetta","Volkswagen Passat"],"variants":[{"id":54805988573526,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1748","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"909.78","grams":0,"compare_at_price":null,"position":1,"product_id":11142676021590,"created_at":"2026-07-24T13:03:27+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087873573206,"created_at":"2026-07-24T16:01:58+01:00","position":1,"updated_at":"2026-07-24T16:02:00+01:00","product_id":11142676021590,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/EA113_1__41840.1711375107.386.513_84cd2220-10c6-42ae-85d7-9871bd6b6fe1.png?v=1784905320","width":386,"height":257}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142676185430,"title":"Nostrum Audi EA837 3.0 TFSI Supercharged V6 High Flow DI Injector Set","handle":"nostrum-audi-ea837-3-0t-sc-injector-upgrade-set","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe Nostrum Audi EA837 3.0 TFSI Supercharged V6 High Flow DI Injector Set is the quiet upgrade on a tuned supercharged Audi: 15% more injector flow than the factory Continental unit, at what Nostrum positions as OE replacement pricing. On a B8 S4 or S5 running a pulley and a map, the injector is often the part quietly capping the calibration, and 15% extra volume is the difference between a tuner working around the fuelling and working with it. These flow 1484 cc\/min at 100 bar with a 180 bar maximum operating pressure and an OEM compatible spray pattern, and they went through seven months of in-vehicle testing before release. They drop straight in as a Bosch HDEV5 replacement with no harness and no spacers, and all the factory diagnostic functions carry on working as they did.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB8 S4 and S5 cars on a pulley and map where the injector is the fuelling limit\u003c\/li\u003e\n\u003cli\u003eSQ5, Q5, Q7, A6 and A7 owners keeping a factory-behaving fuel system\u003c\/li\u003e\n\u003cli\u003eEthanol blends on the supercharged V6, where volume demand rises\u003c\/li\u003e\n\u003cli\u003eA straight swap with no wiring changes or spacer work in the way\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy 15% Is The Right Size Step Here\u003c\/h2\u003e\u003cp\u003eThis is not a race-injector jump, and that is deliberate. A modest, well-matched increase keeps the minimum pulse width behaviour close to standard, which is what keeps idle and part-throttle drivability clean while giving the tuner room at the top. The factory injectors are Continental; these are built on the Bosch HDEV5 family and swap in the same place.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injection (DI) injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H720-2023\u003c\/li\u003e\n\u003cli\u003eVehicle Application: Audi EA837 3.0 TFSI supercharged V6, CAJA and CCAA\u003c\/li\u003e\n\u003cli\u003eFlow: 1484 cc\/min at 100 bar, 15% larger than stock\u003c\/li\u003e\n\u003cli\u003eMax operating pressure: 180 bar \/ 18 MPa \/ 2610 psi\u003c\/li\u003e\n\u003cli\u003eSpray pattern: OEM compatible\u003c\/li\u003e\n\u003cli\u003eFitment type: direct replacement, no harness or spacers required\u003c\/li\u003e\n\u003cli\u003eFuel compatibility: ethanol compatible\u003c\/li\u003e\n\u003cli\u003eIncluded items: injector set with installation guide; tuning data available through dealers and tuners\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePump Or Injectors First On An S4 Or S5\u003c\/h2\u003e\u003cp\u003eMost supercharged V6 builds run into the injector first on a pulley and map, and the pump becomes the limit as the target climbs or the fuel changes. The \u003ca href=\"\/products\/nostrum-audi-3-0-sc-v6-ea837-upgraded-high-pressure-fuel-pump\"\u003eEA837 high pressure fuel pump\u003c\/a\u003e is the next step, and the \u003ca href=\"\/products\/nostrum-audi-ea837-3-0t-sc-hpfp-upgraded-injector-bundle\"\u003eEA837 pump and injector bundle\u003c\/a\u003e does both together if you would rather not open the same job twice.\u003c\/p\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eFitment is decided by the CAJA or CCAA engine code, so check that before the model year, and note that the later EA837 EVO engines with CREA or CREC codes are a different fuel system. A tune is required; Nostrum names HP Tuners and winOLS, with Stratified and JH Motorsports as certified tuners. Check the model and years in the table below, and send Hoonies the details on imported or already-modified cars.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow DI injector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eAudi EA837 3.0 TFSI supercharged V6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine codes\u003c\/td\u003e\n\u003ctd\u003eCAJA, CCAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate (nHeptane)\u003c\/td\u003e\n\u003ctd\u003e1484 cc\/min at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate (Viscor 16A)\u003c\/td\u003e\n\u003ctd\u003e17.9 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e15%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e180 bar \/ 18 MPa \/ 2610 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInjector family\u003c\/td\u003e\n\u003ctd\u003eBosch HDEV5 replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterchange part numbers\u003c\/td\u003e\n\u003ctd\u003e06E906036AC, 06E906036K, 06E906036P, 06E906036AL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune required\u003c\/td\u003e\n\u003ctd\u003eYes, HP Tuners or winOLS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime, manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi B8 Q5\u003c\/td\u003e\n\u003ctd\u003e2009-2017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi B8 SQ5\u003c\/td\u003e\n\u003ctd\u003e2014-2017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi 4L Q7\u003c\/td\u003e\n\u003ctd\u003e2007-2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi B8 S4 \/ S5\u003c\/td\u003e\n\u003ctd\u003e2009-2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi C6 C7 A6\u003c\/td\u003e\n\u003ctd\u003e2005-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi C7 A7\u003c\/td\u003e\n\u003ctd\u003e2012-2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDo the factory diagnostics still work?\u003c\/h3\u003e\u003cp\u003eYes. Nostrum built these to keep the factory diagnostic functions intact, which is part of why they stay close to OEM spray pattern and pulse behaviour.\u003c\/p\u003e\u003ch3\u003eIs any wiring or spacer work needed?\u003c\/h3\u003e\u003cp\u003eNo. They are a direct replacement for the Bosch HDEV5 injector with no harness and no spacers required.\u003c\/p\u003e\u003ch3\u003eWill these fit a CREA or CREC engine?\u003c\/h3\u003e\u003cp\u003eNo. Those are the later EA837 EVO engines and run a different fuel system. This set is validated for the CAJA and CCAA supercharged V6.\u003c\/p\u003e","published_at":"2026-07-24T17:58:05+01:00","created_at":"2026-07-24T13:03:29+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["Audi","Audi A6","Audi A7","Audi Q5","Audi Q7","Audi S4","Audi S5","Audi SQ5","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:audi-a6","fits:audi-a7","fits:audi-q5","fits:audi-q7","fits:audi-s4","fits:audi-s5","fits:audi-sq5","make:audi","type:high-flow-direct-injectors"],"variants":[{"id":54805988737366,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-2023","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1371.88","grams":0,"compare_at_price":null,"position":1,"product_id":11142676185430,"created_at":"2026-07-24T13:03:29+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087873605974,"created_at":"2026-07-24T16:01:58+01:00","position":1,"updated_at":"2026-07-24T16:02:00+01:00","product_id":11142676185430,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H620-1395_2__04209.1755105595.386.513_a4ea130d-6ab7-4482-8148-7f4b17220d6a.png?v=1784905320","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142675890518,"title":"Nostrum Volkswagen Audi EA888 Gen 1\/Gen 2 High Flow DI Injectors","handle":"nostrum-ea888-gen-1-gen-2-upgraded-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe Nostrum Volkswagen Audi EA888 Gen 1\/Gen 2 High Flow DI Injectors replace the factory direct injectors on the CBFA, CCTA and B8-generation EA888 with a set that flows 46% more than the stock Mk6 GTI injector. That matters because on a well-mapped EA888 the injector is often the part that runs out before the turbo does: duty climbs, the pulse width has nowhere left to go, and the calibrator has to trim fuelling rather than chase the target. These flow 1484 cc\/min at 100 bar with a 200 bar maximum operating pressure and an OEM comparable spray pattern, so the mixture behaves the way the tuner expects. They run through the factory ECU with no secondary injection controller and no methanol system bolted alongside, and the box includes detailed installation instructions.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMk6 GTI, Jetta and B8 Audi cars where injector duty is pegged at the top of the run\u003c\/li\u003e\n\u003cli\u003eEthanol blends that demand more volume than the factory injector can deliver\u003c\/li\u003e\n\u003cli\u003eStaged builds that want the injectors settled before the pump or turbo changes\u003c\/li\u003e\n\u003cli\u003eKeeping everything under the factory ECU instead of adding a second fuelling system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen The Injector Is The Limit, Not The Pump\u003c\/h2\u003e\u003cp\u003ePump and injector run out at different points. The pump decides how much pressure the rail can hold; the injector decides how much of that fuel gets into the cylinder in the time available. If your logs show injector duty flat against its ceiling while rail pressure holds, this is the part to change first.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injection (DI) injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1517\u003c\/li\u003e\n\u003cli\u003eVehicle Application: Volkswagen and Audi EA888 Gen 1 and Gen 2\u003c\/li\u003e\n\u003cli\u003eFlow: 1484 cc\/min at 100 bar, 46% over stock\u003c\/li\u003e\n\u003cli\u003eMax operating pressure: 200 bar \/ 20 MPa \/ 2900 psi\u003c\/li\u003e\n\u003cli\u003eSpray pattern: OEM comparable\u003c\/li\u003e\n\u003cli\u003eFuel compatibility: ethanol compatible\u003c\/li\u003e\n\u003cli\u003eIncluded items: injector set with detailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMatching Injectors To A Pump\u003c\/h2\u003e\u003cp\u003eOn a CCTA or CBFA car these pair naturally with the \u003ca href=\"\/products\/nostrum-2-0l-vw-ea888-ccta-cbfa-standard-bore-high-pressure-fuel-pump-kit\"\u003eStandard Bore HPFP kit\u003c\/a\u003e. On a Rest of World car with a CCZA or CCZB engine code, Nostrum sells the same injectors already matched to the ROW pump as the \u003ca href=\"\/products\/nostrum-ea888-row-high-flow-fuel-bundle\"\u003eEA888 ROW high flow fuel bundle\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eFitment runs by engine code, and the code list is wider than the model list suggests, so check yours against the table below. A tune is required, with Nostrum data available for Cobb, HP Tuners and winOLS. Talk to your calibrator first so the injector data is ready.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow DI injector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-1517\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eVolkswagen \/ Audi EA888 Gen 1 and Gen 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate (nHeptane)\u003c\/td\u003e\n\u003ctd\u003e1484 cc\/min at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate (Viscor 16A)\u003c\/td\u003e\n\u003ctd\u003e17.9 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e46% over the stock Mk6 GTI injector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e200 bar \/ 20 MPa \/ 2900 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM comparable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported potential with matching tune and hardware\u003c\/td\u003e\n\u003ctd\u003e615 whp gasoline, 550 whp E85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune required\u003c\/td\u003e\n\u003ctd\u003eYes, Cobb, HP Tuners or winOLS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime, manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eEngine codes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen GTI\u003c\/td\u003e\n\u003ctd\u003e2008-2014\u003c\/td\u003e\n\u003ctd\u003eCBFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Jetta\u003c\/td\u003e\n\u003ctd\u003e2008-2013\u003c\/td\u003e\n\u003ctd\u003eCBFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Beetle\u003c\/td\u003e\n\u003ctd\u003e2012-2013\u003c\/td\u003e\n\u003ctd\u003eCBFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Passat\u003c\/td\u003e\n\u003ctd\u003e2008-2010\u003c\/td\u003e\n\u003ctd\u003eCCTA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A3 8P\u003c\/td\u003e\n\u003ctd\u003e2008-2013\u003c\/td\u003e\n\u003ctd\u003eCCTA, CBFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A4 \/ A5 B8\u003c\/td\u003e\n\u003ctd\u003e2010-2017\u003c\/td\u003e\n\u003ctd\u003eCAEB, CAED, CPMA, CPMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi Q3 8U\u003c\/td\u003e\n\u003ctd\u003e2015-2021\u003c\/td\u003e\n\u003ctd\u003eCCTA, DHHA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi Q5 8R\u003c\/td\u003e\n\u003ctd\u003e2011-2017\u003c\/td\u003e\n\u003ctd\u003eCAEB, CPMA, CHJA, CPMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi TT Mk2\u003c\/td\u003e\n\u003ctd\u003e2009-2015\u003c\/td\u003e\n\u003ctd\u003eCETA, CCTA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi Allroad B8\u003c\/td\u003e\n\u003ctd\u003e2013-2016\u003c\/td\u003e\n\u003ctd\u003eCPMA, CPMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDo these need a harness adapter or spacers?\u003c\/h3\u003e\u003cp\u003eNo. Everything needed to fit them is in the box with detailed instructions, and they work through the factory engine management with no secondary controller.\u003c\/p\u003e\u003ch3\u003eShould I fit these or the pump first?\u003c\/h3\u003e\u003cp\u003eRead the logs. If injector duty is maxed while rail pressure holds, start here. If rail pressure collapses under load, the high pressure pump is the first job.\u003c\/p\u003e\u003ch3\u003eWill they suit a car that stays on petrol?\u003c\/h3\u003e\u003cp\u003eYes. The extra volume gives the calibrator room on pump petrol too; ethanol simply makes that room more useful because it needs more fuel for the same mixture.\u003c\/p\u003e","published_at":"2026-07-24T17:58:01+01:00","created_at":"2026-07-24T13:03:24+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["Audi","Audi A3","Audi A4","Audi A5","Audi Allroad","Audi Q3","Audi Q5","Audi TT","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:audi-a3","fits:audi-a4","fits:audi-a5","fits:audi-allroad","fits:audi-q3","fits:audi-q5","fits:audi-tt","fits:volkswagen-beetle","fits:volkswagen-golf-gti","fits:volkswagen-jetta","fits:volkswagen-passat","make:audi","make:volkswagen","type:high-flow-direct-injectors","Volkswagen","Volkswagen Beetle","Volkswagen Golf","Volkswagen Golf GTI","Volkswagen Jetta","Volkswagen Passat"],"variants":[{"id":54805988442454,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1517","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"817.38","grams":0,"compare_at_price":null,"position":1,"product_id":11142675890518,"created_at":"2026-07-24T13:03:24+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087873409366,"created_at":"2026-07-24T16:01:57+01:00","position":1,"updated_at":"2026-07-24T16:01:59+01:00","product_id":11142675890518,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H720-1517_-_EA888_Gen_1-2_Upgraded_Injectors_image_02__71390.1693941656_3a08ac08-bdf8-4d5b-8179-84b1ba15c18b.jpg?v=1784905319","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142675661142,"title":"Nostrum Subaru FA24 2.4 Upgraded DI Injectors, Set of 4","handle":"nostrum-subaru-fa24-upgraded-direct-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe FA24 makes easy power on bolt-ons, then the factory fuel system draws a line. Nostrum's upgraded direct injectors move it: 24% more flow than standard, 1450 cc\/min at a commanded 240 bar rail, supplied as a set of four flow tested and batched with serial numbers and tuning data. They stay under factory ECU control on COBB, so a 2022-on WRX, Ascent, Legacy XT or Outback XT gains the fuel without gaining a second fuel system to look after.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA 2022-on WRX with intake, downpipe and turbo upgrades that has hit the injector wall at high rpm.\u003c\/li\u003e\n\u003cli\u003eOutback XT, Legacy XT and Ascent owners wanting the same headroom on a car that tows or covers miles.\u003c\/li\u003e\n\u003cli\u003eCars going to pump E85, where the injector must move far more volume for the same air.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe Odd Injector In The Set And Where It Goes\u003c\/h2\u003e\u003cp\u003eOpen the box and one of the four looks different. The FA24 has a cast aluminium coolant crossover pipe that fouls a standard connector and makes the install awkward at best. Nostrum extended and repositioned the harness connector on that injector so it clears the casting, and it goes into cylinder 1. The set uses custom orientation spring clips to lock into the fuel rail correctly. No permanent changes to the engine are needed.\u003c\/p\u003e\u003ch2\u003eFeeding A Bolt-On FA24 On Pump E85\u003c\/h2\u003e\u003cp\u003eNostrum quotes 600 whp on gasoline and 480 whp on E85 as the capacity of this set on a build that already has the air handling, mechanical strength and calibration to use it - a ceiling for a fully supported car. In practice it means the injector stops being the thing your tuner works around, so the calibration can chase the fuel target through the top of the rev range instead of protecting it. The spray pattern is OEM equivalent, so idle and cold start behave.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct type: high flow direct injectors (DI), set of 4\u003c\/li\u003e\n\u003cli\u003eSKU: H720-2106\u003c\/li\u003e\n\u003cli\u003eFlow: 24% more than stock, 1450 cc\/min\u003c\/li\u003e\n\u003cli\u003eCommanded operating pressure: 240 bar \/ 24 MPa \/ 3480 psi\u003c\/li\u003e\n\u003cli\u003eDesign: OE outline with orientation spring clips; cylinder 1 injector has an extended connector to clear the coolant crossover\u003c\/li\u003e\n\u003cli\u003eControl: factory ECU, COBB recommended; fully ethanol compatible\u003c\/li\u003e\n\u003cli\u003eIncluded: four serialised injectors, installation instructions, tuning guide for certified tuners\u003c\/li\u003e\n\u003cli\u003eWarranty: Nostrum limited lifetime\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eCheck your car against the table below - turbocharged FA24 only. A calibration is required: Nostrum says a tune is needed for good cold start and accurate fuel trims and advises against driving before it is loaded, so line the tuning up with the install. The guide goes to dealers and certified tuners rather than owners. To lift the mid range too, add the \u003ca href=\"\/products\/nostrum-subaru-fa24-upgraded-high-pressure-fuel-pump\"\u003eFA24 high pressure fuel pump\u003c\/a\u003e, or take both together in the \u003ca href=\"\/products\/nostrum-nostrum-subaru-fa24-bundle-h186-2058\"\u003eFA24 bundle\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022+\u003c\/td\u003e\n\u003ctd\u003eSubaru WRX - FA24F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003ctd\u003eSubaru Ascent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eSubaru Legacy XT, Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eSubaru Outback XT, Wilderness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors (DI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-2106\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet Size\u003c\/td\u003e\n\u003ctd\u003e4, serialised batch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Application\u003c\/td\u003e\n\u003ctd\u003eSubaru FA24 2.4 turbo (direct injection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Increase\u003c\/td\u003e\n\u003ctd\u003e24% over stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e17.5 g\/s (Viscor 16A) at 100 bar; 1450 cc\/min (nHeptane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd\u003e240 bar \/ 24 MPa \/ 3480 psi commanded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Management\u003c\/td\u003e\n\u003ctd\u003eFactory ECU, COBB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Compatibility\u003c\/td\u003e\n\u003ctd\u003eFully ethanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel System Capacity\u003c\/td\u003e\n\u003ctd\u003e600 whp gasoline \/ 480 whp E85, full supporting build\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhy does one injector look different, and where does it go?\u003c\/h3\u003e\u003cp\u003eIt has a longer, repositioned connector lead so it clears the cast aluminium coolant crossover pipe. It is fitted to cylinder 1 and the included guide covers the procedure.\u003c\/p\u003e\u003ch3\u003eWill these fit the BRZ or GT86 FA24?\u003c\/h3\u003e\u003cp\u003eNo. The naturally aspirated FA24 in the BRZ and GT86 uses Toyota's D4S system with a different style of direct injector. Those cars run port injection alongside direct injection, which makes port injector upgrades a simpler route.\u003c\/p\u003e\u003ch3\u003eCan I fit them to an Ascent?\u003c\/h3\u003e\u003cp\u003eYes - Nostrum lists the 2019-on Ascent alongside the WRX, Legacy XT and Outback XT. The same calibration requirement applies.\u003c\/p\u003e","published_at":"2026-07-24T17:57:58+01:00","created_at":"2026-07-24T13:03:18+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:subaru-legacy","fits:subaru-outback","fits:subaru-wrx","make:subaru","Subaru","Subaru Ascent","Subaru Legacy","Subaru Legacy XT","Subaru Outback","Subaru Outback XT","Subaru WRX","type:high-flow-direct-injectors"],"variants":[{"id":54805988213078,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-2106","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1740.58","grams":0,"compare_at_price":null,"position":1,"product_id":11142675661142,"created_at":"2026-07-24T13:03:18+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087873245526,"created_at":"2026-07-24T16:01:55+01:00","position":1,"updated_at":"2026-07-24T16:01:58+01:00","product_id":11142675661142,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H720-2106_1__66357.1772064409.386.513_f1accd75-932b-4ea0-80b9-bee7dbcdbbd8.png?v=1784905318","width":386,"height":242}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142675562838,"title":"Nostrum Subaru FA20DIT 2.0 Upgraded DI Injectors, Set of 4","handle":"nostrum-2-0l-subaru-upgraded-direct-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eNostrum's upgraded direct injectors for the FA20DIT, the 2.0 turbo in the 2015-2021 WRX and 2014-2018 Forester XT. They flow 10% more than the factory injector at up to 150 bar and come as a set of four, flow tested and serialised with their tuning data. What matters on this platform is that they stay under stock ECU control, so a WRX chasing more from an intake, intercooler and low pressure pump gets the extra top-end fuel without a secondary injection controller or a methanol tank. The revised part also closes faster than the injector it replaced.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA tuned VA-chassis WRX out of injector at the top of the rev range and unable to hold its fuel target.\u003c\/li\u003e\n\u003cli\u003eMoving to pump E85, where volume demand jumps beyond what the standard injector was sized for.\u003c\/li\u003e\n\u003cli\u003eKeeping COBB or EcuTek on the factory ECU rather than adopting auxiliary fuel control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKeeping The Stock ECU On A Tuned FA20DIT\u003c\/h2\u003e\u003cp\u003eMost routes to more fuel on a direct injected Subaru mean adding a system: port injection with its own controller, or methanol with a tank to fill and nozzles to keep clear. Nostrum's claim is that none of that is needed, because this is the only DI injector upgrade for the FA20F that works with the standard ECU. The outline matches the OE injector and the spray pattern is OEM equivalent, so idle, cold start and drivability behave as the calibration expects.\u003c\/p\u003e\u003ch2\u003ePairing The Injectors With The FA20 Pump\u003c\/h2\u003e\u003cp\u003eA direct injection engine is usually pump limited in the mid range and injector limited up top. Nostrum recommends running these alongside the \u003ca href=\"\/products\/nostrum-2-0l-subaru-fa20dit-high-pressure-fuel-pump\"\u003eFA20DIT high pressure fuel pump\u003c\/a\u003e, which flows 37% more than the factory unit, so the boost dialled in early is still supported as the revs climb. Buying both? The \u003ca href=\"\/products\/nostrum-2-0l-subaru-fa20dit-stage-1-bundle\"\u003eStage 1 bundle\u003c\/a\u003e is the pre-matched route.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct type: high flow direct injectors (DI), set of 4\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1813\u003c\/li\u003e\n\u003cli\u003eFlow: 10% more than stock, 1302 cc\/min at 100 bar\u003c\/li\u003e\n\u003cli\u003eMax operating pressure: 150 bar \/ 15 MPa \/ 2200 psi\u003c\/li\u003e\n\u003cli\u003eControl: OEM ECU controlled, tunable on COBB or EcuTek; ethanol compatible\u003c\/li\u003e\n\u003cli\u003eIncluded: four serialised injectors, installation instructions, tuning guide for certified tuners\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eNostrum lists the 2015-2021 WRX (FA20F, VA chassis) and 2014-2018 Forester XT (FA20E), and states this is not a direct fit for the 2022 WRX, which moved to the FA24F. A tune is not needed to start the car, but Nostrum recommends calibrating after install to keep drivability right. One note when booking that: the current tuning guide matches this part number, and injectors bought before March 2024 under the older number use different data, so check your tuner has the right file. The 620 whp gasoline and 460 whp E85 figures are fuel-system capacity on a fully supported build.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru WRX - FA20F, VA chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2018\u003c\/td\u003e\n\u003ctd\u003eSubaru Forester XT - FA20E, 2.0 turbo FA20 engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022+ WRX\u003c\/td\u003e\n\u003ctd\u003eNot a direct fit (FA24F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors (DI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-1813\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet Size\u003c\/td\u003e\n\u003ctd\u003e4, serialised batch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Application\u003c\/td\u003e\n\u003ctd\u003eSubaru FA20DIT 2.0 turbo (direct injection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Increase\u003c\/td\u003e\n\u003ctd\u003e10% over stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e15.7 g\/s (Viscor 16A) \/ 1302 cc\/min (nHeptane) at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Operating Pressure\u003c\/td\u003e\n\u003ctd\u003e150 bar \/ 15 MPa \/ 2200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Management\u003c\/td\u003e\n\u003ctd\u003eFactory ECU; COBB or EcuTek\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible, E85 and gasoline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel System Capacity\u003c\/td\u003e\n\u003ctd\u003e620 whp gasoline \/ 460 whp E85 with full supporting build\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime (manufacturing defects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eCan I drive the car straight after fitting them?\u003c\/h3\u003e\u003cp\u003eNostrum says a tune is not required to start the car, but recommends calibrating after install to maintain drivability. Book the tuning before you fit them.\u003c\/p\u003e\u003ch3\u003eWill they fit my BRZ?\u003c\/h3\u003e\u003cp\u003eNo. The FA20 in the BRZ uses a completely different style of direct injector.\u003c\/p\u003e\u003ch3\u003eTen percent does not sound like much - is it worth it?\u003c\/h3\u003e\u003cp\u003eOn a direct injection engine the injector limit bites at high rpm, where crank angle per injection event runs short. Ten percent there lets the calibrator hold the fuel target at peak power instead of pulling boost.\u003c\/p\u003e","published_at":"2026-07-24T17:57:57+01:00","created_at":"2026-07-24T13:03:16+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:subaru-forester","fits:subaru-wrx","make:subaru","Subaru","Subaru Forester","Subaru Forester XT","Subaru WRX","type:high-flow-direct-injectors"],"variants":[{"id":54805988082006,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1813","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1001.89","grams":0,"compare_at_price":null,"position":1,"product_id":11142675562838,"created_at":"2026-07-24T13:03:16+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087872950614,"created_at":"2026-07-24T16:01:54+01:00","position":1,"updated_at":"2026-07-24T16:01:56+01:00","product_id":11142675562838,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/MicrosoftTeams-image_55__48928.1694016830_b854a67f-41d8-4988-9ac5-313a61876d61.jpg?v=1784905316","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142675398998,"title":"Nostrum GM Gen 5 LT V8 Stage 2 High Flow DI Injectors, Set of 8","handle":"nostrum-gen-5-gm-lt-v8-stage-2-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 2 sits at the top of Nostrum's Gen V LT injector ladder: eight direct injectors flowing 51% more than a stock LT4 injector and 71% more than the LT1 and L86 unit, using an industry-first 8-hole spray pattern developed to keep combustion quality intact at that flow. It suits an LT build that has used up Stage 1, or one specified from the start around a big turbo, blower or nitrous package on E85. Each injector is serialised and production tested for leak, static and dynamic flow and opening pressure, then batched into a set to within plus or minus 3%.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAn LT build already pegged at Stage 1 duty cycle high in the rev range.\u003c\/li\u003e\n\u003cli\u003eBig turbo, large blower or heavy nitrous cars needing fuel headroom designed in from day one.\u003c\/li\u003e\n\u003cli\u003eOwners doing the whole job through direct injection rather than adding port injection and a controller.\u003c\/li\u003e\n\u003cli\u003eRace cars needing eight injectors matched tightly enough to trust cylinder to cylinder.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen Stage 1 Is Not Enough Injector\u003c\/h2\u003e\u003cp\u003eThe difference between the stages is headroom, not character. Stage 1 lifts a stock LT4 by a quarter; Stage 2 lifts it by half, and Nostrum quotes the fuel system as able to support 1400 whp on gasoline or around 1000 whp on E85 once air handling, rotating assembly and calibration are up to it. The rail pressure target here is 200 bar rather than Stage 1's 220 bar: a bigger injector run slightly softer.\u003c\/p\u003e\u003ch2\u003eEight Holes And Why The Spray Pattern Matters\u003c\/h2\u003e\u003cp\u003eA bigger injector is not automatically a better one. Poor atomisation at high flow shows up as rough idle, knock sensitivity, soot and fuel washing the bores, which dilutes the oil. The 8-hole pattern keeps the charge homogeneous at Stage 2 flow while staying controllable by the factory engine management, which is why the set stays tunable on HP Tuners.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct type: high flow direct injectors (DI), set of 8\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1541\u003c\/li\u003e\n\u003cli\u003eFlow: 51% more than stock LT4, 71% more than stock LT1\/L86\u003c\/li\u003e\n\u003cli\u003eRail pressure target: 200 bar \/ 20 MPa \/ 2900 psi maximum\u003c\/li\u003e\n\u003cli\u003eSpray pattern: 8-hole, OEM compatible; sets batched to plus or minus 3%\u003c\/li\u003e\n\u003cli\u003eIncluded: direct-replacement set of eight, installation instructions, tuning guide and HP Tuners templates\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eA calibration is required; Nostrum recommends HP Tuners. The check that matters is injector stem size: this set is for the 7.5mm LT1 and LT4 style bore, and Nostrum asks 2020-2021 C8 Corvette and 2021-onward Silverado, Sierra, Tahoe, Suburban and Escalade owners to confirm their engine is not already on 6mm stem injectors. The quoted whp figures are fuel-system capacity for a fully supported build. If your car is nowhere near them, \u003ca href=\"\/products\/nostrum-gen-5-gm-lt-v8-stage-1-injectors\"\u003eStage 1\u003c\/a\u003e is the better spend; other LT parts sit in the \u003ca href=\"\/collections\/chevrolet\"\u003eChevrolet collection\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette (C7) including Z06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2021\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette (C8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado \/ GMC Sierra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Tahoe \/ Suburban and Cadillac Escalade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2022\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro ZL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eCadillac CTS-V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors (DI), set of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-1541\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Application\u003c\/td\u003e\n\u003ctd\u003eGM Gen V LT V8 (LT1 \/ LT4 \/ L86)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Increase\u003c\/td\u003e\n\u003ctd\u003e51% over stock LT4; 71% over stock LT1\/L86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e26.7 g\/s at 100 bar (Viscor 16A); 2214 cc\/min at 100 bar (nHeptane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd\u003e200 bar \/ 20 MPa \/ 2900 psi rail target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray Pattern\u003c\/td\u003e\n\u003ctd\u003eUnique 8-hole, OEM compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune Requirement\u003c\/td\u003e\n\u003ctd\u003eYes; HP Tuners recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs the C8 Corvette really covered?\u003c\/h3\u003e\u003cp\u003eYes, for 2020-2021 cars confirmed not to be running 6mm stem injectors. LT2 engines on the 6mm stem need a different injector.\u003c\/p\u003e\u003ch3\u003eHow closely matched is a set?\u003c\/h3\u003e\u003cp\u003eSets are batched to within plus or minus 3%. That tolerance is what lets a tuner run tighter targets without chasing one cylinder.\u003c\/p\u003e\u003ch3\u003eCan I go straight to Stage 2 from stock?\u003c\/h3\u003e\u003cp\u003eYou can, and it makes sense if the build is already specified for serious power. On a milder car it is headroom you are not using, so check your logs with your tuner first.\u003c\/p\u003e","published_at":"2026-07-24T17:57:55+01:00","created_at":"2026-07-24T13:03:13+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","Cadillac","Cadillac CTS-V","Cadillac Escalade","cat:fuel","Chevrolet","Chevrolet Camaro","Chevrolet Camaro SS","Chevrolet Camaro ZL1","Chevrolet Corvette","Chevrolet Corvette C7","Chevrolet Corvette C8","Chevrolet Silverado","Chevrolet Suburban","Chevrolet Tahoe","dept:performance-parts","fits:cadillac-escalade","fits:chevrolet-camaro","fits:chevrolet-corvette","fits:chevrolet-silverado","fits:chevrolet-suburban","fits:chevrolet-tahoe","fits:gmc-sierra","GM","GMC","GMC Sierra","make:cadillac","make:chevrolet","make:gm","make:gmc","type:high-flow-direct-injectors"],"variants":[{"id":54805987852630,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1541","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2942.46","grams":0,"compare_at_price":null,"position":1,"product_id":11142675398998,"created_at":"2026-07-24T13:03:13+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087872819542,"created_at":"2026-07-24T16:01:54+01:00","position":1,"updated_at":"2026-07-24T16:01:56+01:00","product_id":11142675398998,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H603-1251-A1_-_LT_DI_Injectors_photo_07__76039__47804.1735538299_0ad5aee3-0ba3-488b-b89f-f84673875e6e.jpg?v=1784905316","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142675333462,"title":"Nostrum GM Gen 5 LT V8 Stage 1 High Flow DI Injectors","handle":"nostrum-gen-5-gm-lt-v8-stage-1-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 1 is Nostrum's first fuelling step for a Gen V LT V8 that runs out of injector before it runs out of blower, turbo or nitrous. They flow 25% more than a stock LT4 injector and 45% more than the LT1 and L86 item, at up to 220 bar, and keep an OEM-equivalent spray pattern so the factory engine management still controls them. Nostrum describes the set as plug and play. Each injector is flow tested and batched into a serialised set, which is what stops one cylinder running leaner than the other seven.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA cammed or blown LT1 pegged at injector duty cycle, with no timing or boost left in it.\u003c\/li\u003e\n\u003cli\u003eLT4 cars adding a smaller blower pulley, where the pump still has headroom but the injectors do not.\u003c\/li\u003e\n\u003cli\u003eMoving onto E85 or a high-ethanol blend, which needs roughly a third more fuel volume for the same air.\u003c\/li\u003e\n\u003cli\u003eSilverado, Sierra, Tahoe, Suburban and Escalade builds that tow or tune and want the fuel side sorted first.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere The Stock LT1 And LT4 Injectors Run Out\u003c\/h2\u003e\u003cp\u003eA direct injection fuel system hits two separate walls. In the mid range the cam-driven high pressure pump is the limit; at high rpm the crank angle available for each injection event gets short, and that is an injector problem. Adding boost or ethanol without addressing the injector drives the car further into that second wall. Stage 1 lifts the injector ceiling while leaving the factory calibration structure intact.\u003c\/p\u003e\u003ch2\u003eChecking Your Injector Stem Before You Order\u003c\/h2\u003e\u003cp\u003eLT1 and LT4 style injectors use a 7.5mm stem. The LT2 uses 6mm and will not take this set without machining the cylinder heads, so stem size is the one check to do first. Nostrum flags 2021-onward Silverado, Sierra, Tahoe, Suburban and Escalade in particular: confirm the engine is not already on 6mm stem injectors.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct type: high flow direct injectors (DI), complete set\u003c\/li\u003e\n\u003cli\u003eSKU: H703-1352\u003c\/li\u003e\n\u003cli\u003eFlow: 25% more than stock LT4, 45% more than stock LT1\/L86\u003c\/li\u003e\n\u003cli\u003eMax operating pressure: 220 bar \/ 22 MPa \/ 3190 psi\u003c\/li\u003e\n\u003cli\u003eInjector stem: 7.5mm, LT1 and LT4 style, not LT2\u003c\/li\u003e\n\u003cli\u003eIncluded: complete injector set, installation instructions, tuning guides for your tuner\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eA supporting calibration is required; Nostrum recommends HP Tuners or EFI Live and supplies HP Tuners templates. Confirm the 7.5mm stem, then check the car against the table below. The 1200 whp gasoline and 900 whp E85 numbers Nostrum quotes are fuel-system capacity for a build that already has the air handling, mechanical strength and tuning to use it, not an outcome of fitting injectors. If Stage 1 is not enough, the \u003ca href=\"\/products\/nostrum-gen-5-gm-lt-v8-stage-2-injectors\"\u003eStage 2 set\u003c\/a\u003e is the step up; other engines sit in the \u003ca href=\"\/collections\/high-flow-direct-injectors\"\u003ehigh flow direct injector range\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette (C7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado \/ GMC Sierra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Tahoe \/ Suburban and Cadillac Escalade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2022\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2023\u003c\/td\u003e\n\u003ctd\u003eChevrolet Camaro ZL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eCadillac CTS-V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors (DI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH703-1352\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Application\u003c\/td\u003e\n\u003ctd\u003eGM Gen V LT V8 (LT1 \/ LT4 \/ L86)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Increase\u003c\/td\u003e\n\u003ctd\u003e25% over stock LT4; 45% over stock LT1\/L86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e22.1 g\/s at 100 bar (Viscor 16A); 1832 cc\/min at 100 bar (nHeptane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Operating Pressure\u003c\/td\u003e\n\u003ctd\u003e220 bar \/ 22 MPa \/ 3190 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInjector Stem\u003c\/td\u003e\n\u003ctd\u003e7.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune Requirement\u003c\/td\u003e\n\u003ctd\u003eYes; HP Tuners or EFI Live\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime (manufacturing defects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWill these fit a C8 Corvette?\u003c\/h3\u003e\u003cp\u003eNostrum does not list the C8 for Stage 1. The Stage 2 set covers 2020-2021 C8 cars confirmed not to be on 6mm stems.\u003c\/p\u003e\u003ch3\u003eDo I need port injection or methanol as well?\u003c\/h3\u003e\u003cp\u003eNo. Nostrum's position is that this flow increase removes the need for a secondary port or methanol setup, because the fuel goes through the factory direct injection system.\u003c\/p\u003e\u003ch3\u003eShould I upgrade the high pressure pump at the same time?\u003c\/h3\u003e\u003cp\u003eIt depends where your car is limited. The pump is usually the restriction around peak torque, the injector at peak power. Your tuner's logs will show which wall you meet first.\u003c\/p\u003e","published_at":"2026-07-24T17:57:55+01:00","created_at":"2026-07-24T13:03:12+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","Cadillac","Cadillac CTS-V","Cadillac Escalade","cat:fuel","Chevrolet","Chevrolet Camaro","Chevrolet Camaro SS","Chevrolet Camaro ZL1","Chevrolet Corvette","Chevrolet Corvette C7","Chevrolet Silverado","Chevrolet Suburban","Chevrolet Tahoe","dept:performance-parts","fits:cadillac-escalade","fits:chevrolet-camaro","fits:chevrolet-corvette","fits:chevrolet-silverado","fits:chevrolet-suburban","fits:chevrolet-tahoe","fits:gmc-sierra","GM","GMC","GMC Sierra","make:cadillac","make:chevrolet","make:gm","make:gmc","type:high-flow-direct-injectors"],"variants":[{"id":54805987787094,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H703-1352","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2295.47","grams":0,"compare_at_price":null,"position":1,"product_id":11142675333462,"created_at":"2026-07-24T13:03:12+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087872590166,"created_at":"2026-07-24T16:01:53+01:00","position":1,"updated_at":"2026-07-24T16:01:55+01:00","product_id":11142675333462,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H603-1251-A1_-_LT_DI_Injectors_photo_07__76039.1695303023_91d83e7b-195e-4202-9379-206aa7481516.jpg?v=1784905315","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142674907478,"title":"Nostrum Ford 3.0L EcoBoost Explorer ST And Ranger Raptor Stage 3 DI Injectors","handle":"nostrum-3-0l-ford-ecoboost-explorer-st-and-ranger-raptor-stage-3-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 3 is the top of the 3.0 EcoBoost injector range and it makes no pretence of being a road-car upgrade. Six injectors flowing 25 g\/s at 100 bar, a 96% increase over the factory nozzle, aimed at built engines running larger turbochargers where the fuel demand has simply outgrown everything below it. Nostrum quotes the set as supporting up to 1200 whp on petrol or 1075 whp on E85 in a car with the hardware and calibration to match. If your Explorer ST or Ranger Raptor project has a forged bottom end and a turbo that needs feeding, this is the injector that stops the fuel system being the reason you stopped.\u003c\/p\u003e\u003ch2\u003eThe Pressure Rating Is The Detail To Notice\u003c\/h2\u003e\u003cp\u003eStage 3 works to 200 bar, which is lower than the 248 bar of the smaller sets in the range. That is a deliberate consequence of the nozzle size, and it changes how the car has to be calibrated: the target rail pressure has to respect that ceiling, so the tuner leans on the extra flow rather than on pressure. Anyone specifying this set should agree the pressure strategy with their calibrator before the engine is built, not after.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuilt 3.0 EcoBoost engines with forged internals and a larger frame turbocharger\u003c\/li\u003e\n\u003cli\u003eExplorer ST and Lincoln Aviator projects chasing the top of what the platform supports\u003c\/li\u003e\n\u003cli\u003e2024 onwards Ranger Raptor and Bronco Raptor builds well past a standard turbo setup\u003c\/li\u003e\n\u003cli\u003eDrag and competition cars where injector duty cycle is a limiting factor\u003c\/li\u003e\n\u003cli\u003eBuilds already running Nostrum's largest pump where the nozzles are now the restriction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injectors\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1531\u003c\/li\u003e\n\u003cli\u003eSet size: six injectors\u003c\/li\u003e\n\u003cli\u003eMass flow: 25 g\/s at 100 bar\u003c\/li\u003e\n\u003cli\u003eFlow increase: 96% over the standard nozzle\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 200 bar \/ 20.0 MPa \/ 2900 psi\u003c\/li\u003e\n\u003cli\u003eFuel: ethanol compatible, E85 capable\u003c\/li\u003e\n\u003cli\u003eIncluded: injector set with installation guide and application-specific instructions\u003c\/li\u003e\n\u003cli\u003eNeeded separately: a calibration written for these injectors and the pressure ceiling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA supporting calibration is required. Nostrum recommends HP Tuners and names ZFG Racing, Livernois Motorsports and Goose Tuned as tuners familiar with this hardware.\u003c\/li\u003e\n\u003cli\u003eThe 200 bar ceiling is lower than the smaller sets in the range, so the calibration strategy has to be planned around it.\u003c\/li\u003e\n\u003cli\u003eNostrum does not list this set for the 2.7 EcoBoost Edge ST, so 2.7 builds should stay with the Stage 2 injectors.\u003c\/li\u003e\n\u003cli\u003eConfirm the exact model year and engine against the fitment table below, and talk to Hoonies before ordering if the vehicle is imported or heavily modified.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eH750-1531\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSet Size\u003c\/th\u003e\n\u003ctd\u003e6 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMass Flow Rate\u003c\/th\u003e\n\u003ctd\u003e25 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlow Increase\u003c\/th\u003e\n\u003ctd\u003e96% over the standard nozzle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Operating Pressure\u003c\/th\u003e\n\u003ctd\u003e200 bar \/ 20.0 MPa \/ 2900 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Compatibility\u003c\/th\u003e\n\u003ctd\u003eEthanol compatible, E85 capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported Potential\u003c\/th\u003e\n\u003ctd\u003e1200 whp petrol \/ 1075 whp E85 with full supporting hardware and calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning Platform\u003c\/th\u003e\n\u003ctd\u003eHP Tuners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eNostrum limited lifetime, covering manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eFord Explorer ST\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eLincoln Aviator\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eFord Explorer Police Interceptor Utility\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024+\u003c\/td\u003e\n\u003ctd\u003eFord Ranger Raptor \/ Bronco Raptor\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWould these be wasted on a factory-turbo car?\u003c\/h3\u003e\u003cp\u003eLargely, yes. A standard-turbo Explorer ST or Raptor is better served by the \u003ca href=\"\/products\/nostrum-3-0l-ford-ecoboost-explorer-st-and-ranger-raptor-stage-2-injectors\"\u003eStage 2 set\u003c\/a\u003e, which keeps the 248 bar rating and suits everyday driving far better.\u003c\/p\u003e\u003ch3\u003eWhat pump belongs with a Stage 3 set?\u003c\/h3\u003e\u003cp\u003eThe largest one Nostrum makes for the engine. On an Explorer that is the \u003ca href=\"\/products\/nostrum-explorer-st-goliath-1200-250-hpfp\"\u003eGoliath 1200-250\u003c\/a\u003e; on a Raptor it is the R-code Goliath. Feeding Stage 3 injectors from a mid-size pump wastes the injector capacity.\u003c\/p\u003e\u003ch3\u003eIs anything else needed to run them on E85?\u003c\/h3\u003e\u003cp\u003eThe injectors are ethanol compatible as supplied. What matters is that the calibration knows what fuel is in the tank, which is why cars at this level usually run an ethanol content sensing module alongside.\u003c\/p\u003e","published_at":"2026-07-24T17:57:50+01:00","created_at":"2026-07-24T13:03:01+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:ford-bronco","fits:ford-explorer","fits:ford-ranger","Ford","Ford Bronco","Ford Bronco Raptor","Ford Explorer","Ford Explorer ST","Ford Police Interceptor Utility","Ford Ranger","Lincoln","Lincoln Aviator","make:ford","make:lincoln","type:high-flow-direct-injectors"],"variants":[{"id":54805986115926,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1531","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2203.60","grams":0,"compare_at_price":null,"position":1,"product_id":11142674907478,"created_at":"2026-07-24T13:03:01+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087872131414,"created_at":"2026-07-24T16:01:50+01:00","position":1,"updated_at":"2026-07-24T16:01:52+01:00","product_id":11142674907478,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H750-1531_-_Explorer_ST_Stage_3_Injector_image_03__58289.1695303184_e6334038-bb3f-400b-962d-3fd1198d7019.jpg?v=1784905312","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142674841942,"title":"Nostrum Ford 3.0L EcoBoost Explorer ST And Ranger Raptor Stage 2 DI Injectors","handle":"nostrum-3-0l-ford-ecoboost-explorer-st-and-ranger-raptor-stage-2-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 2 is the middle rung of Nostrum's 3.0 EcoBoost injector ladder and the set most tuned Explorer ST and Ranger Raptor builds settle on. Six direct injectors flowing 15.7 g\/s at 100 bar, 1302 cc per minute, which is 24% more than the factory 3.0 nozzle and 56% more than the 2019 onwards 2.7 in the Edge ST. Nostrum quotes them as supporting up to 850 whp on petrol or 750 whp on E85 with the rest of the build behind them. They are a straight replacement with an OEM equivalent spray pattern, and they need no secondary injection controller and no methanol system to reach that capacity, which keeps a serious fuel system refreshingly simple.\u003c\/p\u003e\u003ch2\u003eWhere Stage 2 Fits In A Build\u003c\/h2\u003e\u003cp\u003eThe usual pattern on a 3.0 EcoBoost is pump first, injectors second. Once a 47% or 60% pump is holding rail pressure, the nozzles become the thing sitting closest to the limit, especially on E85 where volume demand climbs. Stage 2 restores the margin without going so large that low-load fuelling gets untidy, and it does it while keeping the injectors inside their 248 bar rating. It is the point in the ladder where the fuel system stops shaping what the calibrator can do.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExplorer ST, Platinum and Lincoln Aviator builds already running an upgraded pump\u003c\/li\u003e\n\u003cli\u003e2024 onwards Ranger Raptor and Bronco Raptor trucks moving to a higher-boost ethanol map\u003c\/li\u003e\n\u003cli\u003eEdge ST 2.7 cars, where the same set is a 56% step over standard\u003c\/li\u003e\n\u003cli\u003eOwners who want more capacity without adding a secondary injection or methanol system\u003c\/li\u003e\n\u003cli\u003ePolice Interceptor Utility vehicles being calibrated for sustained high-load work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injectors\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1368\u003c\/li\u003e\n\u003cli\u003eSet size: six injectors\u003c\/li\u003e\n\u003cli\u003eMass flow: 15.7 g\/s at 100 bar, measured on Viscor 16A\u003c\/li\u003e\n\u003cli\u003eVolume flow: 1302 cc per minute at 100 bar, measured on nHeptane\u003c\/li\u003e\n\u003cli\u003eFlow increase: 24% over the standard 3.0L nozzle, 56% over the standard 2.7L nozzle\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 248 bar \/ 24.8 MPa \/ 3600 psi\u003c\/li\u003e\n\u003cli\u003eSpray pattern: OEM equivalent, direct replacement\u003c\/li\u003e\n\u003cli\u003eIncluded: injector set with detailed installation instructions; tuning guides available to calibrators\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA supporting calibration is required, written for these injectors and the fuel you actually run. HP Tuners is Nostrum's recommended platform.\u003c\/li\u003e\n\u003cli\u003eNo secondary injection controller or methanol system is needed to use their full capacity.\u003c\/li\u003e\n\u003cli\u003eRanger Raptor and Bronco Raptor fitment begins at the 2024 model year for this set.\u003c\/li\u003e\n\u003cli\u003eCheck the year, model and engine against the fitment table below before ordering. Imported or already-modified vehicles are worth confirming with Hoonies first.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eH720-1368\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSet Size\u003c\/th\u003e\n\u003ctd\u003e6 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMass Flow Rate\u003c\/th\u003e\n\u003ctd\u003e15.7 g\/s at 100 bar (Viscor 16A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume Flow Rate\u003c\/th\u003e\n\u003ctd\u003e1302 cc per minute at 100 bar (nHeptane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlow Increase\u003c\/th\u003e\n\u003ctd\u003e24% over standard 3.0L EcoBoost, 56% over standard 2.7L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Operating Pressure\u003c\/th\u003e\n\u003ctd\u003e248 bar \/ 24.8 MPa \/ 3600 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpray Pattern\u003c\/th\u003e\n\u003ctd\u003eOEM equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Compatibility\u003c\/th\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported Potential\u003c\/th\u003e\n\u003ctd\u003e850 whp petrol \/ 750 whp E85 with full supporting hardware and calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning Platform\u003c\/th\u003e\n\u003ctd\u003eHP Tuners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eNostrum limited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eFord Explorer ST\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eLincoln Aviator\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eFord Explorer Police Interceptor Utility\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003ctd\u003eFord Edge\u003c\/td\u003e\n\u003ctd\u003e2.7L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024+\u003c\/td\u003e\n\u003ctd\u003eFord Ranger Raptor \/ Bronco Raptor\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs Stage 2 enough for a big-turbo car?\u003c\/h3\u003e\u003cp\u003eFor most road and fast-road builds, yes. Once the engine is fully built with a large frame turbo, the \u003ca href=\"\/products\/nostrum-3-0l-ford-ecoboost-explorer-st-and-ranger-raptor-stage-3-injectors\"\u003eStage 3 set\u003c\/a\u003e at 96% over standard is the one to look at.\u003c\/p\u003e\u003ch3\u003eWhich pump should be behind them?\u003c\/h3\u003e\u003cp\u003eAnything from the 47% kit upwards will suit. On an Explorer ST the usual pairing is the \u003ca href=\"\/products\/nostrum-explorer-st-goliath-1200-250-hpfp\"\u003eGoliath 1200-250\u003c\/a\u003e when the target is high, or the mid-size pump kit for a factory-turbo car.\u003c\/p\u003e\u003ch3\u003eAre the two flow figures measuring the same thing?\u003c\/h3\u003e\u003cp\u003eThey are the same injectors on two different test fluids. Nostrum quotes mass flow on Viscor 16A and volume flow on nHeptane because calibrators work in both units, so you can take whichever your tuning platform expects.\u003c\/p\u003e","published_at":"2026-07-24T17:57:49+01:00","created_at":"2026-07-24T13:03:00+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:ford-bronco","fits:ford-edge","fits:ford-explorer","Ford","Ford Bronco","Ford Bronco Raptor","Ford Edge","Ford Edge ST","Ford Explorer","Ford Explorer ST","Ford Police Interceptor Utility","Lincoln","Lincoln Aviator","make:ford","make:lincoln","type:high-flow-direct-injectors"],"variants":[{"id":54805985165654,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1368","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1741.19","grams":0,"compare_at_price":null,"position":1,"product_id":11142674841942,"created_at":"2026-07-24T13:03:00+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087870918998,"created_at":"2026-07-24T16:01:49+01:00","position":1,"updated_at":"2026-07-24T16:01:52+01:00","product_id":11142674841942,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H620-1344_-_3.0L_Ecoboost_Ford_Explorer_Stage_2_Direct_Injectors_photo_06__83922.1695304938.386.513_4029f09c-f44c-4941-be8c-1ed83d2fd75f.png?v=1784905312","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142674809174,"title":"Nostrum Ford 3.0L EcoBoost Explorer ST Ranger Raptor Bronco Raptor Stage 1 DI Injectors","handle":"nostrum-3-0l-ford-ecoboost-explorer-st-ranger-raptor-bronco-raptor-stage-1-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 1 is the first injector step for the Ford 3.0 and 2.7 EcoBoost Nano V6, and it is deliberately a small one. Six direct injectors, 14.2 g\/s and 1177 cc per minute at 100 bar, giving 11% more flow than the standard 3.0 nozzle and a substantial 41% more than the 2019 onwards Edge ST 2.7. They are a direct replacement with an OEM equivalent spray pattern, which is the part that matters: the calibrator is not fighting a changed spray target, cold starts and part-throttle behaviour stay civilised, and the extra capacity is there when boost and ethanol ask for it. Rated to 248 bar and ethanol compatible, with an installation guide supplied.\u003c\/p\u003e\u003ch2\u003eWhy A Small Injector Step Is Often The Right One\u003c\/h2\u003e\u003cp\u003eOversized nozzles are not free. Go too big on a road car and low-load fuelling gets coarse, idle quality suffers and the tuner spends the session smoothing out what the hardware made worse. Stage 1 gives a tuned 3.0 the margin to run more boost or a heavier ethanol blend without working the injectors at the top of their duty cycle, while leaving everyday driving as Ford intended it.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA tuned Explorer ST, Lincoln Aviator or Interceptor Utility on pump petrol or a light ethanol blend\u003c\/li\u003e\n\u003cli\u003eEdge ST 2.7 cars, where this set is a much larger step than it is on the 3.0\u003c\/li\u003e\n\u003cli\u003e2024 onwards Ranger Raptor and Bronco Raptor builds adding boost on factory turbos\u003c\/li\u003e\n\u003cli\u003eA fuel system already running an upgraded pump that has outgrown the standard nozzles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injectors\u003c\/li\u003e\n\u003cli\u003eSKU: H703-1255\u003c\/li\u003e\n\u003cli\u003eSet size: six injectors\u003c\/li\u003e\n\u003cli\u003eFlow: 14.2 g\/s and 1177 cc per minute at 100 bar\u003c\/li\u003e\n\u003cli\u003eFlow increase: 11% over the standard 3.0L nozzle, 41% over the standard 2.7L nozzle\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 248 bar \/ 24.8 MPa \/ 3600 psi\u003c\/li\u003e\n\u003cli\u003eSpray pattern: OEM equivalent, direct replacement\u003c\/li\u003e\n\u003cli\u003eIncluded: injector set with installation guide; tuning guides available for calibrators\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA supporting calibration is required, and Nostrum recommends HP Tuners for this application.\u003c\/li\u003e\n\u003cli\u003eThis set covers both the 3.0 and the 2.7 EcoBoost, but the percentage step is very different between them, so size the rest of the fuel system around your own engine.\u003c\/li\u003e\n\u003cli\u003eRanger Raptor and Bronco Raptor fitment starts at the 2024 model year on this injector set.\u003c\/li\u003e\n\u003cli\u003eConfirm the vehicle year, model and engine against the table below before ordering, and send Hoonies the details on imported or already-modified vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eH703-1255\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSet Size\u003c\/th\u003e\n\u003ctd\u003e6 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMass Flow Rate\u003c\/th\u003e\n\u003ctd\u003e14.2 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume Flow Rate\u003c\/th\u003e\n\u003ctd\u003e1177 cc per minute at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlow Increase\u003c\/th\u003e\n\u003ctd\u003e11% over standard 3.0L EcoBoost, 41% over standard 2.7L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Operating Pressure\u003c\/th\u003e\n\u003ctd\u003e248 bar \/ 24.8 MPa \/ 3600 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpray Pattern\u003c\/th\u003e\n\u003ctd\u003eOEM equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Compatibility\u003c\/th\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported Potential\u003c\/th\u003e\n\u003ctd\u003e770 whp petrol \/ 680 whp E85 with full supporting hardware and calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning Platform\u003c\/th\u003e\n\u003ctd\u003eHP Tuners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eNostrum limited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eFord Explorer ST\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eLincoln Aviator\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eFord Explorer Police Interceptor Utility\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003ctd\u003eFord Edge ST\u003c\/td\u003e\n\u003ctd\u003e2.7L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024+\u003c\/td\u003e\n\u003ctd\u003eFord Ranger Raptor \/ Bronco Raptor\u003c\/td\u003e\n\u003ctd\u003e3.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhen should I go to Stage 2 instead?\u003c\/h3\u003e\u003cp\u003eWhen the pump and turbo have already moved on and 11% is no longer enough headroom. The \u003ca href=\"\/products\/nostrum-3-0l-ford-ecoboost-explorer-st-and-ranger-raptor-stage-2-injectors\"\u003eStage 2 set\u003c\/a\u003e flows 24% over the standard 3.0 nozzle and is the next rung.\u003c\/p\u003e\u003ch3\u003eDo these work with the standard high pressure pump?\u003c\/h3\u003e\u003cp\u003ePhysically yes, but the pump usually becomes the limit first on an ethanol map. Most builds fit an upgraded pump such as the \u003ca href=\"\/products\/nostrum-3-0l-ford-explorer-high-pressure-fuel-pump-kit\"\u003eExplorer 3.0 EcoBoost pump kit\u003c\/a\u003e alongside or before the injectors.\u003c\/p\u003e\u003ch3\u003eWill they upset how the car drives day to day?\u003c\/h3\u003e\u003cp\u003eThat is what the OEM equivalent spray pattern is for. Because the spray target matches the original design, the calibrator can keep cold start, idle and cruise behaviour close to standard while gaining capacity higher up.\u003c\/p\u003e","published_at":"2026-07-24T17:57:49+01:00","created_at":"2026-07-24T13:02:58+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:ford-bronco","fits:ford-edge","fits:ford-explorer","fits:ford-ranger","Ford","Ford Bronco","Ford Bronco Raptor","Ford Edge","Ford Edge ST","Ford Explorer","Ford Explorer ST","Ford Police Interceptor Utility","Ford Ranger","Lincoln","Lincoln Aviator","make:ford","make:lincoln","type:high-flow-direct-injectors"],"variants":[{"id":54805984608598,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H703-1255","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1186.91","grams":0,"compare_at_price":null,"position":1,"product_id":11142674809174,"created_at":"2026-07-24T13:02:59+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087870886230,"created_at":"2026-07-24T16:01:47+01:00","position":1,"updated_at":"2026-07-24T16:01:49+01:00","product_id":11142674809174,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/Ford_Explorer_stage_1_DI_Injectors_05_1_1__37098.1693947845.386.513_5e0fa29f-ae1d-4f93-8d7a-d47b7b84f6c8.jpg?v=1784905309","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142674448726,"title":"Nostrum Ford 2.0 and 2.3 EcoBoost Race Direct Injectors, 1950 cc\/min","handle":"nostrum-ford-ecoboost-2-0-and-2-3-race-direct-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThese are the largest direct injectors Nostrum builds for the 2.0 and 2.3 EcoBoost, and they exist for one reason: a built engine on a big turbo eventually asks for more fuel per cycle than a standard-sized nozzle can deliver in the crank angle available. Each flows 1950 cc\/min, a mass flow of 23.4 g\/s at 100 bar, 45 percent more than the factory 2.3 injector and 61 percent more than the 2.0. They fit as a direct replacement with no adapters or modifications, carry double Teflon combustion seals, and keep the fuel system inside the factory ECU's management and diagnostics.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuilt EcoBoost engines on large turbos where the Stage 1 injector is the limit up top.\u003c\/li\u003e\n\u003cli\u003eDrag, time attack and dyno cars chasing repeatable high-rpm fuelling.\u003c\/li\u003e\n\u003cli\u003eOwners who have ruled out methanol or port injection and want it done through the DI system.\u003c\/li\u003e\n\u003cli\u003eFocus RS and EcoBoost Mustang builds already on a Big Bore pump.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen The Stage 1 Injector Is Not Enough\u003c\/h2\u003e\u003cp\u003eNostrum's \u003ca href=\"\/products\/nostrum-2-0-2-3l-ford-ecoboost-upgraded-direct-injectors\"\u003eupgraded direct injector set\u003c\/a\u003e is the everyday choice: 22 percent over the standard 2.3 and good to 240 bar. This Race set is a different tool. It roughly doubles that flow step, but the working pressure ceiling is 200 bar rather than 240, so the extra fuel comes from nozzle size instead of pressure. On a stock-turbo car that is the wrong trade; on a built engine that has run the smaller injector out of duty cycle it is the only way forward without a second injection system.\u003c\/p\u003e\u003ch2\u003ePressure Ceiling And Pump Choice\u003c\/h2\u003e\u003cp\u003eAn injector this size needs a pump that can keep the rail fed, which is why Nostrum specifies the Big Bore pump alongside it and packages the pair in its Stage 3 bundles. Spray quality was engineered around the higher flow too, because a large nozzle with a poor plume brings knock, soot and bore wash with it.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Race specification direct injection injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H750-2069\u003c\/li\u003e\n\u003cli\u003eVehicle Application: 2015+ Ford Focus ST and Focus RS; 2015-2023 Mustang EcoBoost\u003c\/li\u003e\n\u003cli\u003eFlow: 1950 cc\/min, 23.4 g\/s at 100 bar, 45 percent over the standard 2.3 injector\u003c\/li\u003e\n\u003cli\u003eIncluded Items: injector set, installation guide, tuning guide for your tuner\u003c\/li\u003e\n\u003cli\u003eRequired separately: supporting calibration; a Big Bore pump to feed them\u003c\/li\u003e\n\u003cli\u003eFitment type: direct replacement, no adapters or modifications needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThese cover the 2015 onwards Focus ST and Focus RS and the 2015-2023 Mustang EcoBoost. A tune is required and does more work here than on a smaller injector, so use a tuner who knows the platform; Nostrum supports COBB across all three cars with SCT on the Mustang, and names JEM Sport, Panda Motorsports, ZFG Racing, Speedperf6rmanc3 and Livernois. Note the 200 bar ceiling when planning rail pressure. If you are unsure, use a professional fitter.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRace direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-2069\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate\u003c\/td\u003e\n\u003ctd\u003e1950 cc\/min, nHeptane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate\u003c\/td\u003e\n\u003ctd\u003e23.4 g\/s at 100 bar, Viscor 16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock 2.3\u003c\/td\u003e\n\u003ctd\u003e45 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock 2.0\u003c\/td\u003e\n\u003ctd\u003e61 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum pressure\u003c\/td\u003e\n\u003ctd\u003e200 bar \/ 20 MPa \/ 2900 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing\u003c\/td\u003e\n\u003ctd\u003eDouble Teflon combustion seals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel system capacity at 20 MPa\u003c\/td\u003e\n\u003ctd\u003e792 whp petrol, 644 whp E85, with a supporting build and tune\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eYears\u003c\/td\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015+\u003c\/td\u003e\n\u003ctd\u003eFord Focus ST\u003c\/td\u003e\n\u003ctd\u003e2.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015+\u003c\/td\u003e\n\u003ctd\u003eFord Focus RS\u003c\/td\u003e\n\u003ctd\u003e2.3L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2023\u003c\/td\u003e\n\u003ctd\u003eFord Mustang EcoBoost\u003c\/td\u003e\n\u003ctd\u003e2.3L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eCan I run these on a standard turbo car?\u003c\/h3\u003e\u003cp\u003eYou can, but you give up 40 bar of working pressure for flow the engine cannot use. On a stock or hybrid turbo the smaller upgraded set is the better result.\u003c\/p\u003e\u003ch3\u003eDo these need the Big Bore pump?\u003c\/h3\u003e\u003cp\u003eNostrum specifies it, and it makes sense: injectors this large empty the rail faster than a smaller pump fills it. The \u003ca href=\"\/products\/nostrum-ford-focus-rs-stage-3-race-bundle\"\u003eFocus RS Stage 3 bundle\u003c\/a\u003e packages the two together.\u003c\/p\u003e\u003ch3\u003eWill they idle and drive on the road?\u003c\/h3\u003e\u003cp\u003eNostrum engineers the plume for atomisation quality at the higher flow rather than chasing volume alone, and the car keeps factory ECU management. Drivability then comes down to the calibration.\u003c\/p\u003e","published_at":"2026-07-24T17:57:44+01:00","created_at":"2026-07-24T13:02:49+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:ford-focus","fits:ford-mustang","Ford","Ford Focus","Ford Focus RS","Ford Focus ST","Ford Mustang","Ford Mustang EcoBoost","make:ford","type:high-flow-direct-injectors"],"variants":[{"id":54805980971350,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-2069","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1464.52","grams":0,"compare_at_price":null,"position":1,"product_id":11142674448726,"created_at":"2026-07-24T13:02:49+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087869509974,"created_at":"2026-07-24T16:01:44+01:00","position":1,"updated_at":"2026-07-24T16:01:46+01:00","product_id":11142674448726,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/2.3_race__64115.1755795556.386.513_c6d05b52-0b8b-4023-932e-7950960ea81a.png?v=1784905306","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142674383190,"title":"Nostrum Ford 2.0-2.3L EcoBoost Upgraded High Flow Direct Injectors","handle":"nostrum-2-0-2-3l-ford-ecoboost-upgraded-direct-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThis is the first injector step on a 2.0 or 2.3 EcoBoost and, for most road cars, the only one they will need. Each injector flows 19.7 g\/s at 100 bar, 22 percent more than the standard 2.3 unit, and runs to 240 bar, the same ceiling as Nostrum's Standard Bore Plus and Big Bore pumps. That is why it works so well on the road: the extra flow comes with the pressure headroom to use it, so a tuner can lean on rail pressure at high rpm rather than just fit a bigger hole. They are a direct replacement in the standard bores with an OEM-equivalent spray pattern, so idle, cold starts and drivability stay where they should be.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFocus ST, Focus RS and EcoBoost Mustangs on an upgraded pump that are injector-limited up top.\u003c\/li\u003e\n\u003cli\u003eCars moving to full ethanol that need the delivery side sized to match.\u003c\/li\u003e\n\u003cli\u003eAnyone weighing a methanol kit against doing the direct injection side once.\u003c\/li\u003e\n\u003cli\u003eDaily drivers where idle quality and cold starts still matter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhich Pump To Pair These With\u003c\/h2\u003e\u003cp\u003eNostrum's own recommendation for this injector is the Standard Bore Plus pump, which flows 37 percent more than the factory unit, shares the higher working pressure and costs less than the Big Bore. That pairing is aimed squarely at stock-turbo cars and pump E85. If the plan involves a large turbo and a built engine, the step up is the \u003ca href=\"\/products\/nostrum-ford-ecoboost-2-0-and-2-3-race-direct-injectors\"\u003eRace direct injector set\u003c\/a\u003e with a Big Bore pump instead, which trades pressure ceiling for a lot more flow.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Upgraded direct injection injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1466\u003c\/li\u003e\n\u003cli\u003eVehicle Application: 2015 onwards Ford Focus ST and Focus RS; 2015-2023 Ford Mustang EcoBoost\u003c\/li\u003e\n\u003cli\u003eFlow: 19.7 g\/s at 100 bar, 22 percent over the standard 2.3 injector\u003c\/li\u003e\n\u003cli\u003eIncluded Items: injector set with fitting hardware and accessories, detailed installation instructions\u003c\/li\u003e\n\u003cli\u003eRequired separately: supporting calibration; a matched high pressure fuel pump for the full benefit\u003c\/li\u003e\n\u003cli\u003eFitment type: vehicle-specific, direct replacement for the standard injector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThese cover the 2015 onwards Focus ST and Focus RS and the 2015-2023 Mustang EcoBoost. A tune is required; Nostrum supports COBB across all three cars and SCT on the Mustang, naming JEM Sport, Panda Motorsports, ZFG Racing, Speedperf6rmanc3, EMS, Lethal Performance, Stratified and Livernois among its tuners. The 240 bar figure assumes the rest of the system can command it, so confirm your pump and rail sensor setup with your tuner. If you are unsure, use a professional fitter.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-1466\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate\u003c\/td\u003e\n\u003ctd\u003e19.7 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e22 percent over the standard 2.3 EcoBoost injector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum pressure\u003c\/td\u003e\n\u003ctd\u003e240 bar \/ 24 MPa \/ 3480 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel\u003c\/td\u003e\n\u003ctd\u003ePetrol and E85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel system capacity at 24 MPa\u003c\/td\u003e\n\u003ctd\u003e710 whp petrol, 525 whp E85, with a supporting build and tune\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning suites\u003c\/td\u003e\n\u003ctd\u003eCOBB for Focus ST, Focus RS and Mustang; SCT for Mustang\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eYears\u003c\/td\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015+\u003c\/td\u003e\n\u003ctd\u003eFord Focus ST\u003c\/td\u003e\n\u003ctd\u003e2.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015+\u003c\/td\u003e\n\u003ctd\u003eFord Focus RS\u003c\/td\u003e\n\u003ctd\u003e2.3L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2023\u003c\/td\u003e\n\u003ctd\u003eFord Mustang EcoBoost\u003c\/td\u003e\n\u003ctd\u003e2.3L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow do these differ from the Race injectors?\u003c\/h3\u003e\u003cp\u003eSize and pressure. These flow 22 percent over the standard 2.3 injector and run to 240 bar; the Race set flows 45 percent over it but is limited to 200 bar. These suit stock and hybrid turbo cars, the Race set suits built engines.\u003c\/p\u003e\u003ch3\u003eWill they work on a Focus ST as well as a 2.3?\u003c\/h3\u003e\u003cp\u003eYes. The same injector covers both engines, and because the standard 2.0 injector is smaller, the step over stock is larger on a Focus ST than on a 2.3.\u003c\/p\u003e\u003ch3\u003eDo I need to change the pump at the same time?\u003c\/h3\u003e\u003cp\u003eIf the pump is standard, yes. Injectors cannot fix a supply shortfall, and Nostrum matches this set to the Big Bore pump in its \u003ca href=\"\/products\/nostrum-ford-focus-rs-stage-2-high-flow-pump-and-injector-bundle\"\u003eFocus RS Stage 2 bundle\u003c\/a\u003e for that reason.\u003c\/p\u003e","published_at":"2026-07-24T17:57:44+01:00","created_at":"2026-07-24T13:02:47+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:ford-focus","fits:ford-mustang","Ford","Ford Focus","Ford Focus RS","Ford Focus ST","Ford Mustang","Ford Mustang EcoBoost","make:ford","type:high-flow-direct-injectors"],"variants":[{"id":54805980643670,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1466","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1094.65","grams":0,"compare_at_price":null,"position":1,"product_id":11142674383190,"created_at":"2026-07-24T13:02:48+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087869444438,"created_at":"2026-07-24T16:01:43+01:00","position":1,"updated_at":"2026-07-24T16:01:46+01:00","product_id":11142674383190,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/2.3L_EB_Ford_Mustang_direct_injectors_photo_06__74630.1695307113_78041400-d07b-4002-bae6-560f83c03912.jpg?v=1784905306","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142674350422,"title":"Nostrum Ford Maverick 2.0 \u0026 Ranger 2.3 EcoBoost High Flow DI Injectors","handle":"nostrum-ford-maverick-2-0-and-ranger-2-3-ecoboost-high-flow-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThese are Nostrum's high flow direct injectors for the small Ford EcoBoost trucks: the Ranger 2.3, Bronco 2.3 and Maverick 2.0. They flow 40% more than the Ranger's stock 2.3 injectors, or 36% more than the stock 2.0 injector in the Maverick, and are rated at 1633 cc\/min and 19.7 g\/s at 100 bar with a 250 bar operating ceiling. Injectors are what set the fuel limit at the top of the rev range, where there is simply less crank angle available to get fuel into the cylinder, so this is the upgrade that stops the calibration running out of injector before it runs out of air. They are direct replacements with an OEM-equivalent spray pattern, which is what keeps cold start, idle quality and knock behaviour sane afterwards.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRanger, Bronco and Maverick EcoBoost builds already fitted with a high flow pump\u003c\/li\u003e\n\u003cli\u003eTrucks running pump E85 or an ethanol blend, which needs far more injector volume than petrol\u003c\/li\u003e\n\u003cli\u003eBolt-on and turbo-upgraded builds where the tune is injector-limited at high rpm\u003c\/li\u003e\n\u003cli\u003eOwners who want factory-style fuelling behaviour rather than secondary port injection or methanol\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Spray Pattern Decides Injector Choice\u003c\/h2\u003e\u003cp\u003eFlow rate is the easy number; spray pattern is the one that decides whether the engine likes the injector. The pattern is designed around a specific chamber shape and air motion, and an injector taken from another engine typically brings poor mixture formation, misfires, more knock, soot and fuel washing the bore, which dilutes the oil. Nostrum develops these for this engine family and sorts every set on flow, so a tuner is calibrating a matched group rather than four different injectors.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injectors, set\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1584\u003c\/li\u003e\n\u003cli\u003eFlow: 40% more than the Ranger stock 2.3 injectors, 36% more than the stock Maverick 2.0 injector\u003c\/li\u003e\n\u003cli\u003eRated flow: 1633 cc\/min at 100 bar, 19.7 g\/s at 100 bar\u003c\/li\u003e\n\u003cli\u003eMax operating pressure: 250 bar\u003c\/li\u003e\n\u003cli\u003eFuel: ethanol compatible\u003c\/li\u003e\n\u003cli\u003eFitment type: direct replacement, OEM-equivalent spray pattern\u003c\/li\u003e\n\u003cli\u003eIncluded Items: injector set, hardware and accessories, detailed installation instructions\u003c\/li\u003e\n\u003cli\u003eRequired: a supporting calibration; Nostrum publishes HP Tuners and SCT tuning guides\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck your engine against the fitment table below before ordering, and send us the details if the vehicle is an import or already modified.\u003c\/li\u003e\n\u003cli\u003eA tune is required. Nostrum's tuning guides for HP Tuners and SCT were developed in-house on dyno and on road, so pass them to your tuner.\u003c\/li\u003e\n\u003cli\u003eThe installation instructions call out the special tools and Ford Motorcraft replacement parts that this job can need, which is worth reading before booking workshop time.\u003c\/li\u003e\n\u003cli\u003eInjectors address the high-rpm fuel limit. If the pump is still standard, the mid-range stays capped until that is upgraded too.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2024\u003c\/td\u003e\n\u003ctd\u003eFord Ranger\u003c\/td\u003e\n\u003ctd\u003e2.3L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2024\u003c\/td\u003e\n\u003ctd\u003eFord Bronco\u003c\/td\u003e\n\u003ctd\u003e2.3L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2024\u003c\/td\u003e\n\u003ctd\u003eFord Maverick\u003c\/td\u003e\n\u003ctd\u003e2.0L EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-1584\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eFord Ranger 2.3, Bronco 2.3 and Maverick 2.0 EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase\u003c\/td\u003e\n\u003ctd\u003e40% over the Ranger stock 2.3 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated flow\u003c\/td\u003e\n\u003ctd\u003e1633 cc\/min at 100 bar, 19.7 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e250 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM equivalent, developed for this engine family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded items\u003c\/td\u003e\n\u003ctd\u003eInjector set, hardware and accessories, installation instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum Limited Lifetime, manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhy do the Ranger and Maverick figures differ?\u003c\/h3\u003e\u003cp\u003eBecause the baseline differs. The same injector is 40% up on the Ranger's stock 2.3 injector and 36% up on the Maverick's stock 2.0 injector, so quote the number that matches your engine.\u003c\/p\u003e\u003ch3\u003eDo I need a bigger pump as well?\u003c\/h3\u003e\u003cp\u003eFor anything beyond a mild tune, yes. Pair them with the \u003ca href=\"\/products\/nostrum-ford-2-3-ecoboost-ranger-hpfp-kit\"\u003eRanger HPFP kit\u003c\/a\u003e or the \u003ca href=\"\/products\/nostrum-ford-maverick-2-0-ecoboost-hpfp-kit\"\u003eMaverick 1050-250 HPFP kit\u003c\/a\u003e so the mid-range and the top end are both covered.\u003c\/p\u003e\u003ch3\u003eWill they idle and cold start normally?\u003c\/h3\u003e\u003cp\u003eThat is the point of the OEM-equivalent spray pattern. With a correct calibration behind them, the truck should behave normally cold and at light load rather than feeling like a race part on the school run.\u003c\/p\u003e","published_at":"2026-07-24T17:57:43+01:00","created_at":"2026-07-24T13:02:46+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:ford-bronco","fits:ford-maverick","fits:ford-ranger","Ford","Ford Bronco","Ford Maverick","Ford Ranger","make:ford","type:high-flow-direct-injectors"],"variants":[{"id":54805980479830,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1584","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1094.76","grams":0,"compare_at_price":null,"position":1,"product_id":11142674350422,"created_at":"2026-07-24T13:02:46+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087869411670,"created_at":"2026-07-24T16:01:43+01:00","position":1,"updated_at":"2026-07-24T16:01:45+01:00","product_id":11142674350422,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/Ranger_Set__51115.1712324333_ad37254b-feba-4ebd-b73b-e623864059ec.jpg?v=1784905305","width":500,"height":336}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142673662294,"title":"Nostrum Ford Fiesta ST 1.6 EcoBoost High Flow DI Injectors, Set of 4","handle":"nostrum-fiesta-st-1-6-ecoboost-high-flow-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eOnce a Fiesta ST has a bigger pump and a decent ethanol tune, the injector becomes the next thing to run short of time, and that is usually where talk turns to methanol kits and port injection. This set of four Nostrum high flow direct injectors keeps the answer inside the standard fuel system. Each flows 1211 cc\/min at 100 bar, a mass flow of 14.6 g\/s, 60 percent more than the factory 1.6 EcoBoost injector and 18 percent more than the JLR swap people have leaned on for years. They drop into the standard bores as a direct-fit replacement, carry a double Teflon combustion seal and run to 240 bar. The result is a car that will take full pump E85 and hold fuelling at the top end with nothing extra bolted to the boot floor.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFiesta STs on an upgraded pump that have hit an injector ceiling up top.\u003c\/li\u003e\n\u003cli\u003eDaily drivers where a methanol tank, pump and nozzle is not welcome.\u003c\/li\u003e\n\u003cli\u003eCars moving off a fixed blend onto whatever E85 the pump gives that week.\u003c\/li\u003e\n\u003cli\u003eBig-turbo 1.6 builds needing the fuel side sorted before the airflow side.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Spray Quality Matters As Much As Size\u003c\/h2\u003e\u003cp\u003eA larger injector is not automatically a better one. Get the plume wrong and you inherit poor idle, awkward drivability, more knock, soot and fuel washing down the bore into the oil. Nostrum develops these on spray patternation and arc flash equipment to hold an OEM-quality pattern at the higher flow, which is why they behave on a cold morning as well as on a timed run.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: Direct injection injector set, four injectors\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1806\u003c\/li\u003e\n\u003cli\u003eVehicle Application: Ford Fiesta ST 1.6 EcoBoost, 2014-2019\u003c\/li\u003e\n\u003cli\u003eFlow: 1211 cc\/min at 100 bar, 14.6 g\/s, 60 percent over stock\u003c\/li\u003e\n\u003cli\u003eIncluded Items: four injectors with double Teflon seals and detailed fitting instructions\u003c\/li\u003e\n\u003cli\u003eRequired separately: supporting calibration; matching high pressure fuel pump for the full benefit\u003c\/li\u003e\n\u003cli\u003eFitment type: vehicle-specific, direct replacement for the standard injector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThese suit the 2014-2019 Ford Fiesta ST 1.6 EcoBoost. A tune is required and Nostrum lists COBB, with PHUL Performance, Dizzy Tuning, Livernois, Stratified and Tunewerks among its named tuners. The 240 bar ceiling is held back by the factory rail pressure sensor, so a sensor upgrade is needed to reach it. Injectors alone will not fix a pump-limited car, so if rail pressure already drops in the midrange, plan the pump into the same job. If you are unsure, use a professional fitter.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors, set of four\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-1806\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate\u003c\/td\u003e\n\u003ctd\u003e1211 cc\/min at 100 bar, nHeptane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate\u003c\/td\u003e\n\u003ctd\u003e14.6 g\/s at 100 bar, Viscor 16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e60 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over JLR injectors\u003c\/td\u003e\n\u003ctd\u003e18 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum pressure\u003c\/td\u003e\n\u003ctd\u003e240 bar \/ 24 MPa \/ 3500 psi, limited by the OEM rail pressure sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing\u003c\/td\u003e\n\u003ctd\u003eDouble Teflon combustion seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel\u003c\/td\u003e\n\u003ctd\u003ePetrol and full E85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel system capacity\u003c\/td\u003e\n\u003ctd\u003e540 whp petrol, 440 whp E85, with a supporting build and tune\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune required\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eYears\u003c\/td\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003ctd\u003eFord Fiesta ST\u003c\/td\u003e\n\u003ctd\u003e1.6 EcoBoost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDo these replace the need for methanol or port injection?\u003c\/h3\u003e\u003cp\u003eThat is exactly what Nostrum designed them for. The extra flow is intended to keep a heavily boosted 1.6 fuelled on E85 through the standard direct injection system, with no secondary injection controller or tank to look after.\u003c\/p\u003e\u003ch3\u003eI already run the JLR injectors. Is this worth doing?\u003c\/h3\u003e\u003cp\u003eNostrum rates these 18 percent above the JLR set, so it is a real step rather than a sideways move, but only worth taking if your logs show the injectors running out rather than the pump.\u003c\/p\u003e\u003ch3\u003eShould I buy the pump at the same time?\u003c\/h3\u003e\u003cp\u003eIf the car is otherwise standard, yes. The \u003ca href=\"\/products\/nostrum-1-6l-ecoboost-fiesta-st-high-pressure-fuel-pump-kit\"\u003ematching high pressure fuel pump kit\u003c\/a\u003e is what supplies these injectors, and the \u003ca href=\"\/products\/nostrum-ford-fiesta-st-1-6-ecoboost-fuel-bundle\"\u003eFiesta fuel bundle\u003c\/a\u003e pairs the two.\u003c\/p\u003e","published_at":"2026-07-24T17:57:37+01:00","created_at":"2026-07-24T13:02:36+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:ford-fiesta","Ford","Ford Fiesta","Ford Fiesta ST","make:ford","type:high-flow-direct-injectors"],"variants":[{"id":54805979627862,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1806","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1186.50","grams":0,"compare_at_price":null,"position":1,"product_id":11142673662294,"created_at":"2026-07-24T13:02:36+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868952918,"created_at":"2026-07-24T16:01:40+01:00","position":1,"updated_at":"2026-07-24T16:01:42+01:00","product_id":11142673662294,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H720-1806__56388.1744661113_f7ffda52-0202-4205-a831-991c7c52313c.png?v=1784905302","width":500,"height":332}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142673334614,"title":"Nostrum BMW S58 \u0026 B58 Gen 2 \/ Toyota GR Supra A90 High Flow DI Injectors","handle":"nostrum-s58-and-b58-gen-2-high-flow-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eOne injector set covers two of the most tuned straight-sixes on the road: BMW's S58 in the G80 M3, G82 M4 and X3 M, the Gen 2 B58 in the G-series 40i cars, and the Toyota GR Supra A90 and A91, which shares the same BMW-built engine. Rated at 1144 cc\/min at 100 bar and capable of a 350 bar rail, these Nostrum injectors deliver 60% more flow than a stock Gen 2 B58 injector and 26% more than a stock S58 injector. The 8-hole spray geometry stays OEM equivalent, so a tuner is refining known behaviour rather than starting again. They are ethanol compatible, which is where the extra volume earns its keep, and each set ships with a full installation guide plus a tuning guide carrying data for the popular suites.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGR Supra A90 and A91 owners chasing an ethanol map on the standard or an upgraded turbo\u003c\/li\u003e\n\u003cli\u003eG80 M3, G82 M4 and X3 M builds where the twin-turbo S58 has used up factory injector headroom\u003c\/li\u003e\n\u003cli\u003eGen 2 B58 cars where 60% more injector flow is the single biggest fuel-side step available\u003c\/li\u003e\n\u003cli\u003eEcuTek, MHD or BM3 calibration work that needs data-backed injector characterisation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy The Same Injector Reads 60% On One Engine And 26% On Another\u003c\/h2\u003e\u003cp\u003eBoth figures are correct because the two engines do not start from the same place. BMW gave the twin-turbo S58 a larger factory injector than the single-turbo Gen 2 B58, so this set is a transformative step on a Gen 2 B58 and a meaningful but smaller step on an S58. If you are cross-shopping with a Supra owner or an M3 owner, that is the number that explains why your results and theirs will not look the same on paper.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injection (DI) injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1996\u003c\/li\u003e\n\u003cli\u003eVehicle Application: BMW S58, BMW B58 Gen 2, Toyota GR Supra A90 and A91\u003c\/li\u003e\n\u003cli\u003eFlow: 1144 cc\/min at 100 bar, 60% over stock B58 Gen 2, 26% over stock S58\u003c\/li\u003e\n\u003cli\u003eFuel Pressure: 350 bar capable\u003c\/li\u003e\n\u003cli\u003eSpray Pattern: OEM equivalent, 8-hole geometry\u003c\/li\u003e\n\u003cli\u003eIncluded Items: comprehensive installation guide and tuning guide with data\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThese are for S58 and B58 Gen 2 engines only. The earlier Gen 1 B58 runs a 250 bar fuel system and takes the separate \u003ca href=\"\/products\/nostrum-b58-gen-1-stage-1-injectors\"\u003eGen 1 Stage 1 injectors\u003c\/a\u003e, so check which generation your car carries before ordering. A tune is required, and Nostrum's tuning guide covers EcuTek, MHD and BM3. Supra owners should note the engine is BMW-built and shares this part with the German cars. Imported or already-modified vehicles are worth confirming with Hoonies first.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow DI injector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate (nHeptane)\u003c\/td\u003e\n\u003ctd\u003e1144 cc\/min at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate (Viscor 16A)\u003c\/td\u003e\n\u003ctd\u003e13.8 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock B58 Gen 2\u003c\/td\u003e\n\u003ctd\u003e60%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock S58\u003c\/td\u003e\n\u003ctd\u003e26%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel pressure capability\u003c\/td\u003e\n\u003ctd\u003e350 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM equivalent, 8 hole geometry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune required\u003c\/td\u003e\n\u003ctd\u003eYes, EcuTek, MHD or BM3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eToyota GR Supra A90 \/ A91\u003c\/td\u003e\n\u003ctd\u003eB58 Gen 2 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW G-series M3\u003c\/td\u003e\n\u003ctd\u003eS58 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW G-series M4\u003c\/td\u003e\n\u003ctd\u003eS58 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW X3 M\u003c\/td\u003e\n\u003ctd\u003eS58 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW G-series 40i models\u003c\/td\u003e\n\u003ctd\u003eB58 Gen 2 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs the Supra part the same as the BMW part?\u003c\/h3\u003e\u003cp\u003eYes. The GR Supra A90 and A91 use BMW's B58 Gen 2, so the same Nostrum set covers both, which is why one part number spans Toyota and BMW cars here.\u003c\/p\u003e\u003ch3\u003eWill these fit a Gen 1 B58 such as a 340i or M240i?\u003c\/h3\u003e\u003cp\u003eNo. The Gen 1 engine runs a 250 bar fuel system and has its own Stage 1 and Stage 2 injector sets. This one is built around the 350 bar system used from Gen 2 onwards.\u003c\/p\u003e\u003ch3\u003eWhat does the tuning guide actually give my tuner?\u003c\/h3\u003e\u003cp\u003eCharacterisation data for the popular suites, so injector behaviour is a known quantity from the first map rather than something dialled in by feel over several sessions.\u003c\/p\u003e","published_at":"2026-07-24T17:57:36+01:00","created_at":"2026-07-24T13:02:33+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["BMW","BMW M3","BMW M4","BMW X3","BMW X3 M","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:bmw-m3","fits:bmw-m4","fits:bmw-x3","fits:toyota-supra","make:bmw","make:toyota","Toyota","Toyota Supra","type:high-flow-direct-injectors"],"variants":[{"id":54805979300182,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1996","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2202.27","grams":0,"compare_at_price":null,"position":1,"product_id":11142673334614,"created_at":"2026-07-24T13:02:33+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868887382,"created_at":"2026-07-24T16:01:39+01:00","position":1,"updated_at":"2026-07-24T16:01:42+01:00","product_id":11142673334614,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/S58_Inj5_white__60532.1738249166_6b6b74eb-e5fd-4a98-810e-3386cec1e19f.png?v=1784905302","width":500,"height":333}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142673203542,"title":"Nostrum BMW B48\/B46 Gen 1 2.0 High Flow DI Injector Set","handle":"nostrum-b48-b46-high-flow-injector-set","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe Nostrum BMW B48\/B46 Gen 1 2.0 High Flow DI Injector Set gives BMW's four-cylinder turbo the same kind of fuelling headroom the six-cylinder cars have had for years. Sold as a matched set of four, these injectors flow 35% more than the factory unit and use an 8-hole spray pattern to keep fuel distribution even in the chamber. On a mapped B48 or B46, the standard injector is a real ceiling once boost rises or an ethanol blend goes in the tank, and a maxed injector means the calibration has to give ground instead of using the hardware you have already paid to fit. This set removes that limit on the injector side and gives a tuner room to work with.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMapped B48 or B46 Gen 1 cars where injector duty cycle has become the limit\u003c\/li\u003e\n\u003cli\u003eFour-cylinder builds moving onto an ethanol blend that needs more volume than petrol\u003c\/li\u003e\n\u003cli\u003eKeeping all four cylinders on matched injectors rather than mixing old and new parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere The Standard B48 Injector Runs Out\u003c\/h2\u003e\u003cp\u003eFactory injectors are sized for factory outputs. Once a 2.0 turbo four is running a real map, the injector spends longer open on every cycle until there is no time left to add fuel, and the tune has to work around it. Thirty-five percent more flow, spread through an 8-hole pattern, moves that limit far enough back that airflow and calibration decide the outcome instead of the fuel side.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injection (DI) injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1974\u003c\/li\u003e\n\u003cli\u003eVehicle Application: BMW B48 Gen 1 and B46 Gen 1 2.0 four-cylinder engines\u003c\/li\u003e\n\u003cli\u003eFlow: 35% over stock\u003c\/li\u003e\n\u003cli\u003eSpray Pattern: 8-hole\u003c\/li\u003e\n\u003cli\u003eIncluded Items: set of four injectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThese are for Gen 1 B48 and B46 engines, the 2.0 turbo four used across BMW's 20i to 30i models and the Mini JCW range. Later Gen 2 engines take a different injector, so confirm the engine code and build date on your car before ordering. A supporting calibration is needed to use the extra flow. If the car is an import or already carries turbo, fuel or ECU changes, send Hoonies the details and we will confirm the right set with you.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow DI injector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-1974\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eBMW B48 Gen 1 and B46 Gen 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e35%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003e8 hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet size\u003c\/td\u003e\n\u003ctd\u003e4 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune required\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow do I know my B48 or B46 is Gen 1?\u003c\/h3\u003e\u003cp\u003eCheck the engine code and build date on the car rather than the model badge, because BMW ran Gen 1 and Gen 2 versions of the same 2.0 turbo four. Send Hoonies the VIN if you want it confirmed.\u003c\/p\u003e\u003ch3\u003eDo the injectors need a tune?\u003c\/h3\u003e\u003cp\u003eYes. A larger injector changes what the ECU has to command for a given fuel mass, so a calibration written around the set is what turns the extra flow into usable headroom. Browse the rest of the \u003ca href=\"\/collections\/nostrum-high-performance\"\u003eNostrum fuel system range\u003c\/a\u003e if the pump side needs attention too.\u003c\/p\u003e","published_at":"2026-07-24T17:57:35+01:00","created_at":"2026-07-24T13:02:32+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["BMW","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","make:bmw","type:high-flow-direct-injectors"],"variants":[{"id":54805979169110,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1974","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1277.68","grams":0,"compare_at_price":null,"position":1,"product_id":11142673203542,"created_at":"2026-07-24T13:02:32+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868854614,"created_at":"2026-07-24T16:01:39+01:00","position":1,"updated_at":"2026-07-24T16:01:41+01:00","product_id":11142673203542,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/B48__94820.1754075429.386.513_26101f04-8de9-4593-a919-068f90d83c1e.png?v=1784905301","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142673039702,"title":"Nostrum BMW B58 Gen 1 Stage 2 High Flow DI Injectors","handle":"nostrum-b58-gen-1-stage-2-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe Nostrum BMW B58 Gen 1 Stage 2 High Flow DI Injectors are the larger of Nostrum's two Gen 1 B58 injector steps, built for cars that have already moved past a standard turbo or a mild ethanol blend. At 1434 cc\/min at 100 bar they deliver 66% more flow than the factory injector, which is the volume an upgraded turbo or a heavy E85 target actually asks for. The spray pattern stays OEM equivalent, so the engine still burns in a way your tuner recognises. They are ethanol compatible and arrive as a complete set with a comprehensive installation guide. This is the injector to buy when the fuel side has to stop being the part of the build you plan around.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUpgraded-turbo B58 Gen 1 builds that have already used up a smaller injector\u003c\/li\u003e\n\u003cli\u003eFull E85 targets, where ethanol needs materially more volume than petrol\u003c\/li\u003e\n\u003cli\u003eFuel systems being specified once, properly, rather than stepped up twice\u003c\/li\u003e\n\u003cli\u003eBuilds getting a custom calibration from a competent tuner, with room left at high duty cycle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Stage 2 Is Rated To 220 Bar, Not 240\u003c\/h2\u003e\u003cp\u003eThis is the one specification worth reading twice. The Stage 2 injector has a 220 bar maximum operating pressure, where the smaller \u003ca href=\"\/products\/nostrum-b58-gen-1-stage-1-injectors\"\u003eStage 1 set\u003c\/a\u003e holds 240 bar. A bigger nozzle moves more fuel per millisecond but tolerates slightly less rail pressure, so the extra capacity has to be used as volume rather than as pressure. Tell your calibrator the rating before the first map, and the pressure target gets set correctly from the start.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injection (DI) injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1720\u003c\/li\u003e\n\u003cli\u003eVehicle Application: BMW B58 Gen 1 engines\u003c\/li\u003e\n\u003cli\u003eFlow: 1434 cc\/min at 100 bar, 66% over stock\u003c\/li\u003e\n\u003cli\u003eMax Operating Pressure: 220 bar \/ 22 MPa \/ 3200 psi\u003c\/li\u003e\n\u003cli\u003eFuel Compatibility: ethanol compatible\u003c\/li\u003e\n\u003cli\u003eIncluded Items: injector set with comprehensive installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePlanning The Pump Around Stage 2\u003c\/h2\u003e\u003cp\u003eFitting 66% more injector to a factory high pressure pump moves the restriction rather than removing it, because the pump still has to keep the rail full at the flow the injectors are now asking for. If the plan is a serious ethanol map, the \u003ca href=\"\/products\/nostrum-nostrum-b58-gen-1-stage-2-gauntlet-bundle-h186-2116\"\u003eStage 2 Gauntlet bundle\u003c\/a\u003e matches this set to the Gauntlet pump kit so the two parts are sized to each other.\u003c\/p\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eGen 1 B58 engines only; the Gen 2 uses a 350 bar fuel system and a different injector. A tune is required before the car is driven. Check the model and year table below against your car, and if it is an import or already carries turbo, fuel or ECU changes, send Hoonies those details first so the right stage is ordered.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow DI injector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-1720\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eBMW B58 Gen 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate (nHeptane)\u003c\/td\u003e\n\u003ctd\u003e1434 cc\/min at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate (Viscor 16A)\u003c\/td\u003e\n\u003ctd\u003e17.3 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e66%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e220 bar \/ 22 MPa \/ 3200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune required\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime, manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBMW model\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMarket\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-Series 240i \/ 240xi\u003c\/td\u003e\n\u003ctd\u003e2015-2017\u003c\/td\u003e\n\u003ctd\u003eROW models - please call to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM240i\u003c\/td\u003e\n\u003ctd\u003e2017-2021\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3-Series 340i \/ 340xi\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-Series 440i \/ 440xi\u003c\/td\u003e\n\u003ctd\u003e2017-2020\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5-Series 540i \/ 540xi\u003c\/td\u003e\n\u003ctd\u003e2017-2020\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6-Series 640i\u003c\/td\u003e\n\u003ctd\u003e2018-2019\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7-Series 740i\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX3\u003c\/td\u003e\n\u003ctd\u003e2018-2019\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX4\u003c\/td\u003e\n\u003ctd\u003e2019\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs Stage 2 too much injector for a standard turbo?\u003c\/h3\u003e\u003cp\u003eIt is more injector than a standard-turbo petrol car needs. Stage 2 earns its place on upgraded turbos and heavy ethanol blends; below that, Stage 1 is easier to calibrate cleanly.\u003c\/p\u003e\u003ch3\u003eIs this a full six-cylinder set?\u003c\/h3\u003e\u003cp\u003eYes. The B58 is a straight-six with one direct injector per cylinder, and the set covers the engine, installation guide included.\u003c\/p\u003e\u003ch3\u003eCan I run these on a Gen 2 B58 or an S58?\u003c\/h3\u003e\u003cp\u003eNo. Those engines run a 350 bar fuel system and a different injector. Nostrum builds a separate set for the S58 and B58 Gen 2, including the Toyota GR Supra A90.\u003c\/p\u003e","published_at":"2026-07-24T17:57:34+01:00","created_at":"2026-07-24T13:02:29+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["BMW","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","make:bmw","type:high-flow-direct-injectors"],"variants":[{"id":54805979005270,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1720","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1853.30","grams":0,"compare_at_price":null,"position":1,"product_id":11142673039702,"created_at":"2026-07-24T13:02:29+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868723542,"created_at":"2026-07-24T16:01:38+01:00","position":1,"updated_at":"2026-07-24T16:01:41+01:00","product_id":11142673039702,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/B58_Gen_1_Stage_1_-_H620-1718-A_3_1__05450.1698693746.jpg?v=1784905301","width":500,"height":332}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142673006934,"title":"Nostrum BMW B58 Gen 1 Stage 1 High Flow DI Injectors","handle":"nostrum-b58-gen-1-stage-1-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe Nostrum BMW B58 Gen 1 Stage 1 High Flow DI Injectors are the first real fuelling step for a tuned B58 that has outgrown its factory direct injectors. On a 340i, 440i, M240i or X3 on an aggressive map, the standard injector usually hits its limit first, and once duty cycle is pegged the calibration has to be pulled back. This set flows 35% more than the stock B58 Gen 1 injector, measured at 1169 cc\/min at 100 bar, and carries a 240 bar maximum operating pressure. The injectors keep an OEM equivalent spray pattern, are ethanol compatible and go in without harness adapters or spacers, which makes them the sensible partner for an E30 or E50 blend on a standard turbo.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStock-turbo B58 Gen 1 cars where injector duty cycle, not airflow, is the ceiling\u003c\/li\u003e\n\u003cli\u003eMoving onto an E30 or E50 ethanol blend and needing the extra volume ethanol demands\u003c\/li\u003e\n\u003cli\u003eA staged build that wants the injectors sorted before touching the high pressure pump\u003c\/li\u003e\n\u003cli\u003eEcuTek, MHD and bootmod3 calibration work that benefits from a familiar spray pattern\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere The Stock B58 Injector Runs Out\u003c\/h2\u003e\u003cp\u003eA standard injector is sized for a standard engine. Add boost, add ethanol, or add both, and it stays open for more of every cycle until there is no time left to put fuel in. Leaving the factory parts in means asking the map to work around that ceiling; a 35% larger injector gives the calibration somewhere to go at the top of the rev range.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injection (DI) injector set\u003c\/li\u003e\n\u003cli\u003eSKU: H720-1719\u003c\/li\u003e\n\u003cli\u003eVehicle Application: BMW B58 Gen 1 engines\u003c\/li\u003e\n\u003cli\u003eFlow: 1169 cc\/min at 100 bar, 35% over stock\u003c\/li\u003e\n\u003cli\u003eMax Operating Pressure: 240 bar \/ 24 MPa \/ 3500 psi\u003c\/li\u003e\n\u003cli\u003eFuel Compatibility: ethanol compatible\u003c\/li\u003e\n\u003cli\u003eIncluded Items: injector set with detailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eStage 1 Or Stage 2 For Your B58\u003c\/h2\u003e\u003cp\u003eStage 1 is the right call for standard-turbo cars and moderate ethanol blends, and it holds the higher 240 bar rating of the two Nostrum B58 Gen 1 sets. For an upgraded turbo or a full E85 target, step up to the \u003ca href=\"\/products\/nostrum-b58-gen-1-stage-2-injectors\"\u003eStage 2 injectors\u003c\/a\u003e. Either way the factory high pressure pump becomes the next restriction, which is why the matched \u003ca href=\"\/products\/nostrum-nostrum-b58-gen-1-stage-1-gauntlet-bundle-h186-2115\"\u003eStage 1 Gauntlet bundle\u003c\/a\u003e pairs this set with the pump kit.\u003c\/p\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThese suit the Gen 1 B58 only; the Gen 2 engine runs a 350 bar fuel system and takes its own set. A supporting calibration is required, with Nostrum data for EcuTek, MHD and bootmod3. Confirm the engine generation against the table below, and send Hoonies the details on imported or already-modified cars first.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow DI injector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH720-1719\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eBMW B58 Gen 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate (nHeptane)\u003c\/td\u003e\n\u003ctd\u003e1169 cc\/min at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate (Viscor 16A)\u003c\/td\u003e\n\u003ctd\u003e14.1 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow increase over stock\u003c\/td\u003e\n\u003ctd\u003e35%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e240 bar \/ 24 MPa \/ 3500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel compatibility\u003c\/td\u003e\n\u003ctd\u003eEthanol compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTune required\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNostrum limited lifetime, manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBMW model\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMarket\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-Series 240i \/ 240xi\u003c\/td\u003e\n\u003ctd\u003e2015-2017\u003c\/td\u003e\n\u003ctd\u003eROW models - please call to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM240i\u003c\/td\u003e\n\u003ctd\u003e2017-2021\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3-Series 340i \/ 340xi\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-Series 440i \/ 440xi\u003c\/td\u003e\n\u003ctd\u003e2017-2020\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5-Series 540i \/ 540xi\u003c\/td\u003e\n\u003ctd\u003e2017-2020\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6-Series 640i\u003c\/td\u003e\n\u003ctd\u003e2018-2019\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7-Series 740i\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX3\u003c\/td\u003e\n\u003ctd\u003e2018-2019\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX4\u003c\/td\u003e\n\u003ctd\u003e2019\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDo I need a tune with these injectors?\u003c\/h3\u003e\u003cp\u003eYes. Larger injectors change the fuelling the ECU commands, so the car needs a calibration written around them. Nostrum supplies data for EcuTek, MHD and bootmod3.\u003c\/p\u003e\u003ch3\u003eAre these enough for an ethanol blend?\u003c\/h3\u003e\u003cp\u003eThey are ethanol compatible, and the 35% extra volume is what makes an E30 or E50 blend workable on a standard turbo. For full E85, look at Stage 2 and the Gauntlet pump.\u003c\/p\u003e\u003ch3\u003eDo I need the Gauntlet pump at the same time?\u003c\/h3\u003e\u003cp\u003eNot always. On a standard-turbo car the injectors usually run out first, so many builds start here. Once rail pressure falls under load, the pump is the next part to address.\u003c\/p\u003e","published_at":"2026-07-24T17:57:33+01:00","created_at":"2026-07-24T13:02:28+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["BMW","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","make:bmw","type:high-flow-direct-injectors"],"variants":[{"id":54805978972502,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H720-1719","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1426.29","grams":0,"compare_at_price":null,"position":1,"product_id":11142673006934,"created_at":"2026-07-24T13:02:28+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868625238,"created_at":"2026-07-24T16:01:37+01:00","position":1,"updated_at":"2026-07-24T16:01:39+01:00","product_id":11142673006934,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/B58_Gen_1_Stage_1_-_H620-1718-A_3_1__67455.1698684302_0b370f73-ab3f-4705-9267-d8c0d23d3771.jpg?v=1784905299","width":500,"height":332}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142672941398,"title":"Nostrum BMW S63 4.4 V8 High Flow DI Injectors (Set Of 8)","handle":"nostrum-bmw-s63-high-flow-di-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eThe S63 is BMW's 4.4 twin-turbo V8, and once it is tuned hard or fed ethanol the factory direct injectors become the restriction. Nostrum's high flow set replaces all eight with injectors flowing 20.2 g\/s at 100 bar and rated to 250 bar of operating pressure. How big a step that is depends on which S63 you have: it is 31% more than the EU5 S63TU injector and 59% more than the EU6 S63TU2 part. Every injector is tested statically and dynamically, keeps an OEM-comparable spray pattern, and arrives with its decoupling ring already fitted, so the set drops in without a harness change or spacers.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eF10 M5, M6, X5 M and X6 M builds on an aggressive map where injector duty is already at the limit.\u003c\/li\u003e\n\u003cli\u003eCars moving to E85 or ethanol blends, where a V8's fuel demand climbs fastest.\u003c\/li\u003e\n\u003cli\u003eUpgraded turbo S63 setups that need matched fuelling across all eight cylinders.\u003c\/li\u003e\n\u003cli\u003eOwners who want to keep the factory-style spray pattern rather than accept a compromised idle from a generic big injector.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTwo Different Stock Injectors, Two Different Steps\u003c\/h2\u003e\u003cp\u003eThis matters when you are working out whether the upgrade is worth it. An earlier EU5 S63TU car gains 31%, because its factory injector was already fairly large. A later EU6 S63TU2 car gains 59% from the same part. Same injector, very different headroom, so identify which engine variant your car left the factory with before you plan the tune around it. Nostrum quotes 1300 whp on petrol and 975 whp on E85 as what this injector can support in a fully built and calibrated car, not as a result of fitting it.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injectors, set of eight\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1611\u003c\/li\u003e\n\u003cli\u003eVehicle Application: BMW S63 4.4 twin-turbo V8\u003c\/li\u003e\n\u003cli\u003eFlow: 20.2 g\/s at 100 bar\u003c\/li\u003e\n\u003cli\u003eFlow capacity: 31% over stock S63TU (EU5), 59% over S63TU2 (EU6)\u003c\/li\u003e\n\u003cli\u003eFitment type: direct fit, no harness or spacers needed\u003c\/li\u003e\n\u003cli\u003eIncluded: eight injectors with OEM decoupling rings pre-installed, installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eConfirm the model year against the table below, then confirm the engine variant, since EU5 and EU6 cars start from different factory injectors. A calibration is required and Nostrum lists MHD for this application, with Bootmod3 support described as coming. If you are also fitting a flex fuel setup, the \u003ca href=\"\/products\/nostrum-bmw-f-series-essim-kit\"\u003eF-Series ESSIM kit\u003c\/a\u003e covers the ethanol content side. Other Nostrum BMW fuel parts are grouped in the \u003ca href=\"\/collections\/nostrum-high-performance\"\u003eNostrum High Performance\u003c\/a\u003e collection.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-1611\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eBMW S63 4.4 twin-turbo V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet size\u003c\/td\u003e\n\u003ctd\u003e8 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate\u003c\/td\u003e\n\u003ctd\u003e20.2 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow capacity\u003c\/td\u003e\n\u003ctd\u003e31% over S63TU (EU5), 59% over S63TU2 (EU6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e250 bar \/ 25 MPa \/ 3625 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray pattern\u003c\/td\u003e\n\u003ctd\u003eOEM-comparable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003eEvery injector tested statically and dynamically\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported potential\u003c\/td\u003e\n\u003ctd\u003e1300 whp petrol, 975 whp E85 at 24 MPa fuel pressure with a full supporting build\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning suite\u003c\/td\u003e\n\u003ctd\u003eMHD, with Bootmod3 support coming\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2017\u003c\/td\u003e\n\u003ctd\u003eBMW M5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2018\u003c\/td\u003e\n\u003ctd\u003eBMW M6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eBMW X5 M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eBMW X6 M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow do I tell whether my car is EU5 or EU6?\u003c\/h3\u003e\u003cp\u003eIt follows the emissions standard the car was built to, and it changes the size of the injector you are replacing. Send us the registration or VIN and we will confirm it before you order.\u003c\/p\u003e\u003ch3\u003eIs any wiring or spacer work needed?\u003c\/h3\u003e\u003cp\u003eNo. Nostrum lists the set as a direct fit with no harness and no spacers, and the decoupling rings are already installed.\u003c\/p\u003e\u003ch3\u003eDo all eight get replaced together?\u003c\/h3\u003e\u003cp\u003eYes. The set covers the full V8 so the fuelling stays even across both banks, which is the whole point of a matched set.\u003c\/p\u003e","published_at":"2026-07-24T17:57:31+01:00","created_at":"2026-07-24T13:02:26+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["BMW","BMW 6 Series","BMW M5","BMW M6","BMW X5","BMW X5 M","BMW X6","BMW X6 M","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:bmw-6-series","fits:bmw-m5","fits:bmw-m6","fits:bmw-x5","fits:bmw-x5-m","fits:bmw-x6","fits:bmw-x6-m","make:bmw","type:high-flow-direct-injectors"],"variants":[{"id":54805978906966,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1611","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2573.10","grams":0,"compare_at_price":null,"position":1,"product_id":11142672941398,"created_at":"2026-07-24T13:02:26+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868592470,"created_at":"2026-07-24T16:01:36+01:00","position":1,"updated_at":"2026-07-24T16:01:38+01:00","product_id":11142672941398,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H750-1611_-_S63_Direct_Injectors_image_01__65344.1695303314_57ed06ec-1e33-486f-b4cd-8465e99a2f58.jpg?v=1784905298","width":500,"height":500}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142672777558,"title":"Nostrum BMW N55 \/ S55 3.0L Stage 3 High Flow DI Injectors","handle":"nostrum-bmw-n55-s55-stage-3-di-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eStage 3 is the biggest direct injector Nostrum builds for the BMW N55 and S55, and it exists for cars that have already outgrown the Stage 2 set. Each injector flows 1675 cc\/min, or 20.2 g\/s, at 100 bar, which is 85% more than the stock S55 part, and the set is rated to 250 bar of operating pressure. It is a direct-fit design that needs no harness changes and no spacers, arrives as six injectors with OEM decoupling rings already installed, and comes with a full installation guide. This is the fuelling step for a serious ethanol build, not a first upgrade, and the list of cars it covers is deliberately short.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeavily boosted S55 M3, M4 and M2 Competition builds running E85 where Stage 2 injectors are already at their duty limit.\u003c\/li\u003e\n\u003cli\u003eBig single or upgraded twin turbo setups that have moved well past the standard airflow.\u003c\/li\u003e\n\u003cli\u003e435i and F87 M2 non-Competition N55 cars taken to a similar level.\u003c\/li\u003e\n\u003cli\u003eCars where the tuner has asked for injector headroom rather than more pump pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere This Sits Above The Stage 2 Set\u003c\/h2\u003e\u003cp\u003eThe jump from 1410 cc\/min to 1675 cc\/min is not a small trim: it is the difference between a strong road map and a build chasing the top of what the S55 fuel system supports. Nostrum quotes 1100 whp on petrol and 960 whp on E85 as the ceiling this injector can support with the whole car built and calibrated to suit, not as something the injector delivers by itself. It is also worth noting that Nostrum lists EcuTek and Bootmod3 for this set, where the \u003ca href=\"\/products\/nostrum-3-0l-bmw-s55-n55-stage-2-di-injectors\"\u003eStage 2 injectors\u003c\/a\u003e add MHD, so confirm your tuning platform first.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injectors, set of six\u003c\/li\u003e\n\u003cli\u003eSKU: H750-1605\u003c\/li\u003e\n\u003cli\u003eVehicle Application: BMW 3.0L N55 and S55, F-chassis\u003c\/li\u003e\n\u003cli\u003eFlow: 1675 cc\/min and 20.2 g\/s at 100 bar\u003c\/li\u003e\n\u003cli\u003eFlow capacity: 85% over stock\u003c\/li\u003e\n\u003cli\u003eFitment type: direct fit, no harness or spacers needed\u003c\/li\u003e\n\u003cli\u003eIncluded: six injectors with OEM decoupling rings pre-installed, installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eThe fitment list below is short, so check it carefully before ordering: outside the M3, M4 and M2, only the 435i and the F87 M2 non-Competition are covered. A calibration on EcuTek or Bootmod3 is required. On an S55 the pumps need to keep up too, so pair these with the twin Standard Bore Plus pump kit, or buy the two together as the \u003ca href=\"\/products\/nostrum-3-0l-bmw-s55-stage-3-bundle\"\u003eS55 Stage 3 bundle\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH750-1605\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eBMW 3.0L N55 and S55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet size\u003c\/td\u003e\n\u003ctd\u003e6 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate\u003c\/td\u003e\n\u003ctd\u003e1675 cc\/min at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate\u003c\/td\u003e\n\u003ctd\u003e20.2 g\/s at 100 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow capacity\u003c\/td\u003e\n\u003ctd\u003e85% over stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e250 bar \/ 25 MPa \/ 3625 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported potential\u003c\/td\u003e\n\u003ctd\u003e1100 whp petrol, 960 whp E85, calculated at 24 MPa fuel pressure with a full supporting build\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning suites\u003c\/td\u003e\n\u003ctd\u003eEcuTek, Bootmod3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime against manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2018\u003c\/td\u003e\n\u003ctd\u003eF82\/F83\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2018\u003c\/td\u003e\n\u003ctd\u003eF80\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eF87\u003c\/td\u003e\n\u003ctd\u003eM2 Competition\/CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2018\u003c\/td\u003e\n\u003ctd\u003eF87\u003c\/td\u003e\n\u003ctd\u003eM2 (Non-Competition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2016\u003c\/td\u003e\n\u003ctd\u003eF32\/F33\/F36\u003c\/td\u003e\n\u003ctd\u003e435i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eAre these overkill for a Stage 2 car?\u003c\/h3\u003e\u003cp\u003eUsually, yes. A car on a stock or lightly upgraded turbo is better served by the Stage 2 set, which covers a far wider range of BMWs. Stage 3 earns its place once airflow and ethanol content have both climbed.\u003c\/p\u003e\u003ch3\u003eDo they need a different harness or spacers?\u003c\/h3\u003e\u003cp\u003eNo. Nostrum lists them as a direct fit with no harness or spacer requirement, and the OEM decoupling rings are already installed on each injector.\u003c\/p\u003e\u003ch3\u003eWhich tuning software do I need?\u003c\/h3\u003e\u003cp\u003eEcuTek or Bootmod3. A calibration is required either way, so line up the tuner before the parts go on.\u003c\/p\u003e","published_at":"2026-07-24T17:57:29+01:00","created_at":"2026-07-24T13:02:22+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["BMW","BMW 4 Series","BMW 435i","BMW M2","BMW M3","BMW M4","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:bmw-4-series","fits:bmw-m2","fits:bmw-m3","fits:bmw-m4","make:bmw","type:high-flow-direct-injectors"],"variants":[{"id":54805978743126,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H750-1605","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"2109.94","grams":0,"compare_at_price":null,"position":1,"product_id":11142672777558,"created_at":"2026-07-24T13:02:23+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868428630,"created_at":"2026-07-24T16:01:35+01:00","position":1,"updated_at":"2026-07-24T16:01:37+01:00","product_id":11142672777558,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/H750-1709_-_BMW_S55-N55_Stage_3_Direct_Injectors_image_02__61732.1695303256.386.513_efbfbe9c-a1cf-4e23-b781-7af2bed84520.jpg?v=1784905297","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]},{"id":11142672712022,"title":"Nostrum BMW S55 \/ N55 3.0L Stage 2 High Flow DI Injectors","handle":"nostrum-3-0l-bmw-s55-n55-stage-2-di-injectors","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eOnce the pump is sorted, the injectors become the next thing standing between an N55 or S55 and a bigger map. Nostrum's Stage 2 direct injectors flow 1410 cc\/min at 100 bar, which is 55% more than the stock S55 injector and 12% more than the EU5 part, and they are rated to 250 bar of operating pressure. They arrive as a tested, flow-matched set of six with OEM decoupling rings already fitted, a serial-numbered data card and a quick-start guide, so the set going into the engine is a known quantity rather than six loose parts. This is the middle step in Nostrum's BMW ladder and covers a wide slice of the N55 range as well as the S55 M cars.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eN55 and S55 cars that have already fitted an upgraded high pressure pump and are now injector-limited.\u003c\/li\u003e\n\u003cli\u003eEthanol-blend builds, where the extra duty cycle demanded by E85 leaves the stock injector with nothing in reserve.\u003c\/li\u003e\n\u003cli\u003eStage 2 turbo or hybrid turbo setups that need more fuel without jumping to the largest injector Nostrum makes.\u003c\/li\u003e\n\u003cli\u003eOwners who want the set matched and documented before it goes in, rather than mixing part numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eStage 2 Or Stage 3?\u003c\/h2\u003e\u003cp\u003eStage 2 at 1410 cc\/min is the sensible choice for most tuned road cars, and it covers far more of the BMW range: 335i, 435i, M135i, M235i, 535i, 640i, 740i, X3\/X4 35i and X5\/X6 35i are all on the list alongside the M3, M4 and M2 Competition. The \u003ca href=\"\/products\/nostrum-bmw-n55-s55-stage-3-di-injectors\"\u003eStage 3 set\u003c\/a\u003e steps up to 1675 cc\/min but covers a much narrower group of cars. If the build is a heavily boosted, ethanol-fed S55, look at Stage 3. For everything else on this list, Stage 2 is the better match.\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Nostrum High Performance\u003c\/li\u003e\n\u003cli\u003eProduct Type: high flow direct injectors, set of six\u003c\/li\u003e\n\u003cli\u003eSKU: H703-1257\u003c\/li\u003e\n\u003cli\u003eVehicle Application: BMW 3.0L N55 and S55\u003c\/li\u003e\n\u003cli\u003eFlow: 1410 cc\/min and 17.0 g\/s at 100 bar\u003c\/li\u003e\n\u003cli\u003eFlow capacity: 55% over stock, 12% over EU5\u003c\/li\u003e\n\u003cli\u003eFuel: ethanol compatible\u003c\/li\u003e\n\u003cli\u003eIncluded: flow-matched set of six, install and quick-start guides, data card with serial numbers, OEM decoupling rings pre-installed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eCheck your chassis code and year against the fitment table below, since the N55 coverage runs well past the obvious 335i and 435i cars. A calibration on EcuTek, Bootmod3 or MHD is required. If the fuel pump is still standard, fit the \u003ca href=\"\/products\/nostrum-bmw-n55-1170-250-gauntlet-hpfp-kit\"\u003eN55 1170-250 Gauntlet pump\u003c\/a\u003e alongside these, or buy the pair together as a bundle.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNostrum High Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh flow direct injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eH703-1257\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eBMW 3.0L S55 and N55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet size\u003c\/td\u003e\n\u003ctd\u003e6 injectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume flow rate\u003c\/td\u003e\n\u003ctd\u003e1410 cc\/min at 100 bar (nHeptane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass flow rate\u003c\/td\u003e\n\u003ctd\u003e17.0 g\/s at 100 bar (Viscor 16A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow capacity\u003c\/td\u003e\n\u003ctd\u003e55% over stock, 12% over EU5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax operating pressure\u003c\/td\u003e\n\u003ctd\u003e250 bar \/ 25 MPa \/ 3625 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported potential\u003c\/td\u003e\n\u003ctd\u003e800 whp petrol, 720 whp E85 with a full supporting build and calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning suites\u003c\/td\u003e\n\u003ctd\u003eEcuTek, Bootmod3, MHD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime to the original purchaser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eF82\/F83\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eF80\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eF87\u003c\/td\u003e\n\u003ctd\u003eM2 Competition\/CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2015\u003c\/td\u003e\n\u003ctd\u003eF30\/F31\u003c\/td\u003e\n\u003ctd\u003e335i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2016\u003c\/td\u003e\n\u003ctd\u003eF32\/F33\/F36\u003c\/td\u003e\n\u003ctd\u003e435i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2016\u003c\/td\u003e\n\u003ctd\u003eF22\/F23\u003c\/td\u003e\n\u003ctd\u003eM235i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2016\u003c\/td\u003e\n\u003ctd\u003eF20\/F21\u003c\/td\u003e\n\u003ctd\u003eM135i LCI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2015\u003c\/td\u003e\n\u003ctd\u003eF20\/F21\u003c\/td\u003e\n\u003ctd\u003eM135i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2018\u003c\/td\u003e\n\u003ctd\u003eF87\u003c\/td\u003e\n\u003ctd\u003eM2 (Non-Competition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2017\u003c\/td\u003e\n\u003ctd\u003eF10\/F11\/F07\u003c\/td\u003e\n\u003ctd\u003e535i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2017\u003c\/td\u003e\n\u003ctd\u003eF25\/F26\u003c\/td\u003e\n\u003ctd\u003eX3\/X4 35i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003ctd\u003eF15\/F16\u003c\/td\u003e\n\u003ctd\u003eX5\/X6 35i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2018\u003c\/td\u003e\n\u003ctd\u003eF06\/F12\/F13\u003c\/td\u003e\n\u003ctd\u003e640i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2015\u003c\/td\u003e\n\u003ctd\u003eF01\u003c\/td\u003e\n\u003ctd\u003e740i\/Li\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat does flow matching actually give me?\u003c\/h3\u003e\u003cp\u003eEvery injector in the set is tested and matched, so the six deliver the same amount of fuel as each other. That keeps the fuelling even across cylinders and gives the tuner a stable starting point.\u003c\/p\u003e\u003ch3\u003eDo these fit the N55 as well as the S55?\u003c\/h3\u003e\u003cp\u003eYes. The same set covers both engines, which is why the fitment table runs from the M135i through to the X5 35i as well as the M3 and M4.\u003c\/p\u003e\u003ch3\u003eIs a tune required?\u003c\/h3\u003e\u003cp\u003eYes. Bigger injectors change the fuelling maths completely, so the car needs recalibrating on EcuTek, Bootmod3 or MHD before it is driven.\u003c\/p\u003e","published_at":"2026-07-24T17:57:27+01:00","created_at":"2026-07-24T13:02:21+01:00","updated_at":"2026-09-09T19:41:05+01:00","vendor":"Nostrum High Performance","product_type":"High Flow Direct Injectors","tags":["BMW","BMW 1 Series","BMW 2 Series","BMW 3 Series","BMW 335i","BMW 4 Series","BMW 435i","BMW 5 Series","BMW 535i","BMW 6 Series","BMW 640i","BMW 7 Series","BMW 740i","BMW M135i","BMW M2","BMW M235i","BMW M3","BMW M4","BMW X3","BMW X4","BMW X5","BMW X6","brand:nostrum-high-performance","cat:fuel","dept:performance-parts","fits:bmw-1-series","fits:bmw-2-series","fits:bmw-3-series","fits:bmw-4-series","fits:bmw-5-series","fits:bmw-6-series","fits:bmw-7-series","fits:bmw-m2","fits:bmw-m3","fits:bmw-m4","fits:bmw-x3","fits:bmw-x4","fits:bmw-x5","fits:bmw-x6","make:bmw","type:high-flow-direct-injectors"],"variants":[{"id":54805978677590,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"H703-1257","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"1741.20","grams":0,"compare_at_price":null,"position":1,"product_id":11142672712022,"created_at":"2026-07-24T13:02:21+01:00","updated_at":"2026-09-09T19:41:05+01:00"}],"images":[{"id":83087868395862,"created_at":"2026-07-24T16:01:35+01:00","position":1,"updated_at":"2026-07-24T16:01:37+01:00","product_id":11142672712022,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/Bmw_stage_2_DI_injector_bigcommerce_image__56773__40695.1695307435.386.513_1cb3393c-aa71-4e46-ba70-4e805efd1396.png?v=1784905297","width":386,"height":386}],"options":[{"name":"Title","position":1,"values":["Default Title"]}]}]}