Description
A quality top-end gasket is critical to maintaining cylinder head sealing and preventing costly oil or coolant leaks that compromise engine performance. This S&S Cycle gasket is engineered to the exacting tolerances required for Evo big-twin engines, ensuring a reliable seal under high combustion pressures and thermal cycling. If you’re rebuilding your top end or replacing a worn gasket, this OEM-equivalent component delivers the durability and precision you need.
- Manufacturer: S&S Cycle
- Part Number: 90-9506
- Bore Size: 4-1/8″
- Application: Harley Evo 1990–2000
- Material: High-temperature gasket material
- Installation: Bolt-on replacement
- Origin: Made in USA
- Fitment: Evo big-twin engines only






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