Description
Features
- Designed to give stock pressures and work with stock cam profiles
- Retainers, keepers, and bases are modeled using FEA (Finite Element Analysis) to maximize mechanical strength
- Springs are wound from Super Clean chrome silicon valve spring wire that has been heat treated and shot peened
- Manufactured to original O.E.M. specifications using premium modern materials, design protocols and manufacturing techniques
- Made in the USA
| Position | Notes | |||
|---|---|---|---|---|
| 1941-1947 | Harley-Davidson | Knucklehead FL | - | - |
| 1936-1947 | Harley-Davidson | EL | - | - |
