Kooks O2 Extension Harness for GM LT1/LS1. 1) 18" Extension Harness (4-pin)
Kooks / Oxygen Sensor Extensions

Kooks O2 Extension Harness for GM LT1/LS1. 1) 18" Extension Harness (4-pin)

Check vehicle fitment
£26.61 VAT included. Shipping calculated for your destination.

Available to Order

Not sure which one? Ask us to confirm fitment first →
Delivery, customs and taxes Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Fitment checked before you order

Send the vehicle, engine and current setup if you want us to confirm the exact application before checkout.

Ask us to check fitment →

Estimated lead time: 4-6 weeks. Delivery may be faster depending on stock levels.

O2 Extension Harness for GM LT1/LS1. 1) 18" Extension Harness (4-pin)

Vehicle fitment

  • 1993-1997 Chevrolet Camaro Z28 5.7L V8
  • 2004-2004 Pontiac GTO Base 5.7L V8
  • 2005-2006 Pontiac GTO Base 6.0L V8
  • 1993-1997 Pontiac Firebird Formula 5.7L V8
  • 1993-1997 Pontiac Firebird Trans Am 5.7L V8
  • 1994-1994 Pontiac Firebird Trans Am GT 5.7L V8

Shipping is charged separately.

Delivery, customs and taxes

Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders

Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Fitment first

Check fit before you order

Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.

Check vehicle fitment
Need help with this product?

Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.

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Kooks O2 Extension Harness for GM LT1/LS1. 1) 18" Extension Harness (4-pin)
Kooks O2 Extension Harness for GM LT1/LS1. 1) 18" Extension Harness (4-pin)
Available to Order £26.61