An economical solution for stock rebuilds, and mild performance upgrades. Forged from 8620 steel for greater strength than stock or cast steel. Feature the same .750" long rocker shaft bushings as S&S Roller Rockers: longer bushing provides 50% more load bearing area; eliminates the risk of engine damage associated with failed needle bearings. Valve contact tips are induction hardened for extended durability. Recommended for cams of .585" lift or less. Made in the U.S.A..