Features: 1.Applicable Model: Replacement for Corvette LS1/LS6 2004; Replacement for Corvette 2005?2012; Replacement for GTO LS1/LS2 2004?2006; Replacement for CTS?V LS6 2004?2005. 2.Extension Harness:O2sensor harness to expand the coverage of O2 sensor cable. The actual length is 24 inches, which is long enough for flexible use. 3.Direct Replacement: This O2 sensor wire harness matches the fit and function of the factory part on specified models, is a reliable replacement part. 4.Perfect Fitment: According to the original factory specifications, O2 sensor wiring harness will perfectly match for your original car. 5.Premium Material: O2 sensor harness is engineered with premium ABS materials, anti aging, wearproof, can adapt to extreme harsh environment. Specification: Item Type: O2 Sensor Extension Harness Material: ABS Fitment: Replacement for Corvette LS1/LS6 2004 (front sensors) Replacement for GTO LS1 LS2 2004-2006 (front sensors) Replacement for CTS-V LS6 2004-2005 (front sensors and rear) Replacement for Corvette 2005-2012 (rear sensors)