{"product_id":"kooks-21302400","title":"Kooks Corvette C3 SBC 1-7\/8-inch Headers (1968-1982) | 21302400","description":"\u003ch2\u003eGive your C3 small-block a proper exhaust\u003c\/h2\u003e\u003cp\u003eMake the engine a bigger part of enjoying your classic Corvette. Kooks 21302400 gives a small-block C3 installation 1-7\/8-inch 304 stainless primaries and 3-inch collectors, ready for a matching connecting exhaust.\u003c\/p\u003e\u003cp\u003eSKU: 21302400\u003c\/p\u003e\u003ch2\u003eChoose around your actual engine\u003c\/h2\u003e\u003cp\u003eThe application is the 1968-1982 C3 with a small-block Chevrolet engine. On a chassis originally supplied with another engine, the installed-small-block requirement still applies.\u003c\/p\u003e\u003ch2\u003eA size choice for your build\u003c\/h2\u003e\u003cp\u003eThe 1-7\/8-inch primary size is the difference from the separate 1-3\/4-inch version. Match it to your engine and intended use, then have your installer check the car’s engine position and chassis clearance.\u003c\/p\u003e\u003ch2\u003eTuning for your exhaust upgrade\u003c\/h2\u003e\u003cp\u003eWe recommend tuning with every header installation so the calibration suits your headers, complete exhaust and fuel. \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/pages\/contact\"\u003eTalk to us\u003c\/a\u003e to discuss tuning for your vehicle and the parts you are fitting.\u003c\/p\u003e\u003ch2\u003eMatching products\u003c\/h2\u003e\u003cp\u003eFor the same 1968-1982 C3 small-block installation, compare the \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-21302200?variant=55646923555158\"\u003e1-3\/4-inch C3 headers\u003c\/a\u003e if the smaller primary size better suits your engine specification.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle \/ trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette\u003c\/td\u003e\n\u003ctd\u003eInstalled SBC; original vehicle 5.4L V8\u003c\/td\u003e\n\u003ctd\u003e21302400\u003c\/td\u003e\n\u003ctd\u003eSmall-block Chevrolet installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969-1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette\u003c\/td\u003e\n\u003ctd\u003eInstalled SBC; original vehicle 5.7L V8\u003c\/td\u003e\n\u003ctd\u003e21302400\u003c\/td\u003e\n\u003ctd\u003eSmall-block Chevrolet installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette\u003c\/td\u003e\n\u003ctd\u003eInstalled SBC; original vehicle 5.0L V8\u003c\/td\u003e\n\u003ctd\u003e21302400\u003c\/td\u003e\n\u003ctd\u003eSmall-block Chevrolet installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1982\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette\u003c\/td\u003e\n\u003ctd\u003eInstalled SBC; original vehicle 5.7L V8\u003c\/td\u003e\n\u003ctd\u003e21302400\u003c\/td\u003e\n\u003ctd\u003eSmall-block Chevrolet installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"technical-specifications\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e21302400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e1968-1982 Corvette C3 with small-block Chevrolet engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader primary diameter\u003c\/td\u003e\n\u003ctd\u003e1-7\/8-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector diameter\u003c\/td\u003e\n\u003ctd\u003e3-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs this for a small-block or big-block engine?\u003c\/h3\u003e\u003cp\u003e21302400 is for a small-block Chevrolet installation in the listed C3 chassis.\u003c\/p\u003e\u003ch3\u003eWhat size are the collectors?\u003c\/h3\u003e\u003cp\u003eThe collectors are 3-inch. The primaries are 1-7\/8-inch.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e21302400: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 21302400.\u003c\/p\u003e\u003ch2\u003eOrdering and delivery\u003c\/h2\u003e\u003cp\u003eEstimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.\u003c\/p\u003e","brand":"Kooks","offers":[{"title":"Default Title","offer_id":55646923653462,"sku":"21302400","price":1273.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/d33744a02111f8fa3bd2490a08c6ca4e_a65460a8-410c-407a-9936-44491109ec55.jpg?v=1791452555","url":"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-21302400","provider":"Hoonies Adrenaline","version":"1.0","type":"link"}