COMP Cams 19061-16 Ultra-Gold 1.65 Rocker Arms for Pontiac 265-455 w/7/16" Stud

Ultra ARC Rocker Set w/ 1.65 Ratio for Pontiac 265-455 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.