Description
A complete engine rebuild demands precision-matched gaskets, seals, and O-rings that maintain compression and prevent oil leakage under sustained load. The JAMES GASKET Big Bore Top End Gasket Kit delivers the OEM-equivalent quality you need when refreshing your engine, whether you’re preparing for track duty or restoring reliability in a high-mileage build. Made in the U.S.A., this kit eliminates the guesswork of sourcing individual components and ensures compatibility across your top-end assembly.
- Bore size: 3-5/8″
- Complete gasket set
- Oil seals included
- O-rings included
- U.S.A. manufactured
- OEM-grade material
- Top-end rebuild focused
- MPN: JGI-17034-78-S









