Description
A proper seal between your tappet block and engine cases is non-negotiable for oil containment and reliable operation. James Gasket’s OEM-equivalent front tappet block gasket eliminates guesswork during cam changes or top-end rebuilds by providing the exact seal your Big Twin needs. This complete gasket kit is pre-packaged with all necessary components, saving you time and reducing the risk of missed seals during reassembly.
- Fits Big Twin engines
- MPN 18634-48-A/B
- OEM-equivalent specifications
- Complete gasket kit included
- Manufactured in U.S.A.
- Bolt-on installation
- Pre-packaged for convenience
- Ideal for cam changes
- Ideal for engine rebuilds









