Description
The COMETIC Inner Primary O-Ring C9536 is a critical wear component that prevents fuel and oil seepage in high-performance engine assemblies. Using a premium, fuel-resistant elastomer formulation, this o-ring maintains its seal integrity across extreme temperature and pressure cycles without creeping, cracking, or becoming brittle—ensuring reliable performance whether you’re running stock power or forced induction. As a Made in the U.S.A. part, it delivers the durability and precision fit that professional racers and serious enthusiasts depend on.
- Part Number: C9536
- Manufacturer: Cometic Gasket
- Fuel-resistant material
- No creep or brittleness
- Resists thermal cycling
- Made in the U.S.A.
- Premium elastomer compound
- Inner primary fitment
- Long-term reliability seal









