Description
S&S Cycle’s cylinder head kit delivers the flow characteristics and durability demanded by serious Big Twin builders. Whether you’re increasing displacement, optimizing combustion chamber design, or restoring a complete top end, these fully assembled heads eliminate guesswork and save countless hours of sourcing individual components. Built in the USA with precision valve seats, guides, and springs pre-installed, you get a bolt-together solution that meets professional racing standards.
- Completely assembled heads
- Precision valve seats installed
- Stainless steel valves included
- Valve guides pre-fitted
- Seals and keepers ready
- .590″ lift valve springs
- Rocker cover gaskets included
- Head gaskets included
- Complete hardware kit
- Assembly instructions provided
- Compatible with OEM manifolds
- Compatible with OEM exhaust
- Fits Big Twin platforms
- Made in USA
- MPN: 90-1498
