The S&S Street Performance .585" Valve Spring kit is designed for Big Twins with stock heads accommodating both 7mm and 5/16" valve stems. It features single wire conical shape springs optimized for high-performance setups, supporting camshaft lifts up to 0.585”. This unique dual-spring configuration is engineered to minimize the risk of valve float, ensuring reliable performance. With specifications including a 1.800"/130 lb. installed height and 325 lb. at max lift, it delivers the precision and durability needed for demanding applications.
| Product Style | J&P Cycles Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Product Style S&S Cycle Valve Spring Kit For Harley Big Twin 1984-2004 | J&P Cycles Item #1182066 | Catalog Number212-804 | Store Sku322689 | MFR. Product #900-0593 | AvailabilityIn Stock: Ships within 24 hours |
150-Horsepower Harley-Davidson | J&P: Custom Motorcycle Builds
124 Cubic Inch Twin Cam FXR | J&P: Custom Motorcycle Builds
The First 8 Things You Should Change When Buying a Harley Davidson