An economical solution for stock rebuilds, and mild performance upgradesForged from 8620 steel for greater strength than stock or cast steelValve contact tips are induction hardened for extended durabilityRecommended for cams of 0.585'' lift or lessStock 1.625:1 ratio3/4'' long bronze bushings provide 50% more load bearing area than 1/2'' long bushings used in stock and other aftermarket rocker armsMade in the USA