Circuit Werks is now offering o2 extension harnesses for many General Motors. Perfect option rather than cutting the harness, having issues with a poor connection and this is also faster and easier.
Designed for the use of custom applications or header/ exhaust modifications.
- 27" o2 Extension Harness
- Fits thousands of GM applications Mainly vehicles from 1997 to 2003 GMC, Chevy, Buick, Pontiac, Oldsmobile
- Loom uses a flexible high temp cover
- These harnesses vary slightly but will be a minimum 27" long
- If you have one that looks like this but is gray color it will not work.