Genuine S&S Cycle Parts
90-1004
Cylinder Head Kit - Big Twin
Warranty
This OEM part is guaranteed by Aftermarket's limited part warranty
Support
We have parts professionals who can answer your questions
Fitment Assurance
We guarantee fitment for this product
- S&S heads give great performance, and work with additional upgrades
- Kits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)
- Intake manifold, pistons and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)
- Must reuse stock headbolts
- S&S Super Stock piston kits are required and include 10:1 ratio pistons, rings, piston pins and clips (sold separately in pairs)
- Made in the U.S.A.
- Material: Aluminum, Stainless Steel
- Weight: 24.50
- Brand: S&S Cycle, S&S CYCLE
- Attr Color: Aluminum
- Base Color: Silver
- Riding Style: Street
- Product Name: Cylinder Head Kit
- Manufacturer Item Number: 90-1004
- Units: Pair
- Distributor Part Number: 09300007
- Color Finish: Aluminum
- Model: Super Stock
- Base Finish: Natural