Description
A head gasket failure can sideline your engine and derail your season. S&S Cycle’s 4″ gaskets are engineered with aramid fiber-reinforced premium graphite and a stainless steel fire ring to handle the extreme combustion pressures of high-performance Evo engines. Built in the USA with proven durability, these gaskets deliver the reliability you need when precision matters most.
- Material: Aramid fiber-reinforced graphite
- Core construction: Steel core
- Fire ring: Stainless steel
- Coating: Anti-stick
- Bore size: 4″
- Thickness: .043″
- Application: Harley-Davidson Evo engines
- Fitment: Engine-specific
- Installation: Bolt-on replacement
- Origin: Made in the U.S.A.
- MPN: 930-0087








