S&S Cycle – Wrinkle Black Powdercoat 89cc Super Stock™ Cylinder Heads fits ’06-’17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle’s 89cc Super Stock™ Cylinder Heads’ high port flow creates excellent performance after initial installation, and even greater performance after more updates! The heads are designed for compression releases. (sold separately; please note S&S rocker boxes are required to use S&S compression releases).
NOTE: NOT for models with OEM compression releases.
Features
- Heads are fully assembled with springs and valves
- 89cc heads work best for motors over 103″ or with high-compression pop-up pistons
- 89cc have 2.000″ intake and 1.605″ exhaust and .640″ springs
- Do not include rocker arm components, intake manifold or gaskets
- Heads include four long headbolts, and reuse four long OEM headbolts
- Accept OEM intake manifolds
- Made in the U.S.A.
- Must use S&S rocker boxes (PART #90-4110) if S&S compression releases are used.
- Not compatible with Twin Cooled heads.



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