COMP Cams 19012-16 Ultra ARC Break-In Rocker Set w/1.3 for Chevy SBC 7/16" Stud

Ultra ARC Break-In Rocker Set w/ 1.3 Ratio for Chevrolet SBC w/ 7/16" Stud The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced, Recessed, Contoured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warranty—buy them once and use them forever. Engineered for applications running up to 700 lbs of open spring pressure.