S&S Cycle T143 4.425 Inch Bore Complete Engine Gasket Kit
When you build or rebuild an S&S T143 engine, every sealing surface demands a gasket that can handle the heat, pressure, and displacement this powerplant delivers. This complete kit eliminates the frustration of sourcing individual gaskets and ensures every surface is covered with components engineered to T143 tolerances from the ground up.
Key Features
- Complete gasket set covers every sealing surface for a full T143 engine build or rebuild
- Engineered specifically for the S&S T143 engine with 4.425 inch bore – not a universal kit
- All gaskets dimensioned and materialed to S&S T143 factory specifications
- Simplifies sourcing by combining all required engine gaskets into one kit
- Made in the USA by S&S Cycle
Technical Specifications
- Application: S&S T143 engine
- Bore Size: 4.425 inches
- Coverage: Complete engine rebuild gasket set
- Origin: Made in USA
Fitment Notes
- Designed exclusively for the S&S T143 engine with 4.425 inch bore
- Not compatible with OEM Harley-Davidson engines or other S&S engine configurations
- Confirm your engine bore is 4.425 inches before ordering
- Review the Fitment tab for complete compatibility details




