Description
A worn or deteriorated carb backplate O-ring can cause fuel leaks, air leaks, and performance inconsistencies that compromise your engine’s tuning. The COMETIC C9686 is engineered from premium fuel-resistant elastomer that maintains its integrity under extreme temperatures and aggressive fuel formulations, eliminating the common failure modes of inferior gaskets. This is a critical seal that demands precision—and COMETIC delivers the reliability that serious racers and rebuild shops depend on.
- Premium fuel-resistant material
- No creep or brittleness
- No cracking under stress
- Manufactured in USA
- Carb backplate application
- Direct replacement fitment
- OEM-equivalent quality
- Bolt-on installation









