COMP Cams 19012-16 - Rocker Arms, "Ultra Gold" SBC 7/16" 1.3

COMP Cams Ultra-Gold Aluminum Break-In Roller Rocker Arms, 1.3 Ratio, 7/16" Stud Diameter for Small Block Chevrolet These COMP Cams Ultra-Gold Aluminum Break-In Rocker Arms with a 7/16" stud diameter and 1.3 ratio are designed for Chevrolet V8 265-400 applications. They aid the break-in procedure with lower than stock ratios by eliminating the excess open spring pressure during the break-in process Aid the break-in procedure with its lower than stock ratio; Eliminate the excess open spring pressure during the break-in process; For Small Block Chevy Applications; 1.3" Ratio, 7/16" Stud;