S&amp,S Cycle S&S Cycle Standard Front Exhaust or Rear Intake Forged Rocker Arm 900-4119FA Economical solution for stock rebuilds and mild performance upgrades Forged from 4140 steel for greater strength than stock or cast steel rocker arms Features the same .750in. long rocker shaft bushings as S&S roller rockers Longer bushings provides 50% more load bearing area than the .500in. long bushings used in stock and other aftermarket rocker arms Valve contact tips are induction hardened for extended durability