✅ Exact Fit for LS Engine Models: The O2 sensor extension is precisely engineered for 2004-2006 GTO (LS1/LS2), 2004-2005 CTS-V (LS6), 2005-2012 Corvette C6, and all LS-based GM V8s. Guaranteed compatibility with both front and rear sensor locations.
✅ 24" Professional Extension Solution: Our o2 sensor header extension harness offers two 24 inch oxygen sensor extension cords, and our longer 24" design outperforms other standard extensions, providing the perfect reach for long tube headers and engine swaps without wire strain.
✅ 5000+ Cycles & No CEL: The oxygen sensor extension Features factory-matched 4-pin gray connectors, and the o2 sensor harness connector has passed over 5000 plug and unplug tests to achieve optimal signal transmission and solve the problem with cel.
✅ 20AWG Military-Grade Plug & Play: Military-grade PTFE insulated 20AWG wires with 220°F rating and abrasion-resistant sleeving for maximum durability in extreme engine bay conditions. The oxygen sensor extension square achieves no wiring modifications needed and can install in minute.
✅ Complete GM V8 Platform Coverage: The sensor extension square 4 pin is tested and proven on Corvette Z06, G8 GT, SS, Silverado, and all major LS-powered GM vehicles for reliable performance.