Applicable Model: Replacement for Corvette LS1LS6 2004; Replacement for Corvette 20052012; Replacement for Gto LS1LS2 20042006; Replacement for CtsV LS6 20042005. 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. Direct Replacement: This O2 sensor wire harness matches the fit and function of the factory part on specified models, is a reliable replacement part. Perfect Fitment: According to the original factory specifications, O2 sensor wiring harness will perfectly match for your original car. Premium Material: O2 sensor harness is engineered with premium Abs materials, anti aging, wearproof, can adapt to extreme harsh environment.