BS&S Cycle Standard Forged Rocker Arms 90-4119 ReviewbP PP S&S Cycle Standard Forged Rocker Arms 90-4119 PEconomical solution for stock rebuilds and mild performance upgradesPForged from 4140 steel for greater strength than stock or cast steel rocker armsPFeatures the same .750 long rocker shaft bushings as S&S roller rockersPLonger bushings provides 50 more load bearing area than the .