Description
The S&S CYCLE Cylinder Head Kit 90-1488 delivers a complete, ready-to-install solution that eliminates the guesswork of sourcing individual components. Pre-assembled with precision valve seats, guides, and matched spring rates, this kit ensures optimal valve sealing and consistent lift characteristics right out of the box. By choosing a fully integrated assembly, you’re reducing installation complexity while guaranteeing compatibility and performance across your engine build.
- Completely assembled heads
- Precision valve seats installed
- Stainless steel valves included
- Valve guides pre-installed
- Valve seals included
- .590″ lift valve springs
- Collars and keepers included
- Rocker cover gaskets included
- Head gaskets included
- Hardware and fasteners included
- Installation instructions provided
- Uses OEM manifolds
- Uses OEM exhaust
- Made in U.S.A.
- Bolt-on installation
- MPN: 901488
