Description
A top-end gasket kit is essential maintenance for any big-inch Harley-Davidson engine—it seals critical combustion chamber surfaces and prevents oil weeping that compromises performance and reliability. The S&S Cycle 4-1/8″ gasket set is engineered to exact specifications for a leak-free fit, ensuring your engine maintains proper compression and runs clean through extended riding seasons. This is a bolt-on replacement that eliminates guesswork and delivers OEM-quality sealing without the premium price tag.
- Bore diameter: 4-1/8″
- Manufacturer: S&S Cycle
- Part number: 90-9510
- Made in U.S.A.
- Complete top-end gasket set
- Bolt-on installation
- Compatible with big-twin applications
- Precision-cut gasket materials
- OEM-equivalent sealing performance
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