- Machined from 4140 forged steel and heat treated for maximum strength
- Feature the exclusive .750" long S&S rocker arm bushing which provides 50% more load bearing surface than stock .500" bushings
- Can be oiled through pushrods when used with S&S Shovelhead-style tappet guides and pushrods
- Compatible with stock and S&S billet Shovelhead-style rocker boxes
- Some clearancing may be required when using stock rocker boxes
- Set includes two each front and rear rocker arms
- Made in the U.S.A.
- Nominal rocker ratio of 1.725:1