Comp Cams Ultra Pro Magnum Rocker Arm 7/16" Stud Mount 1.52 Ratio Full Roller - Chromoly

The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 applications with Twisted Wedge heads take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud diameter and 1.52 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs. of spring pressure. These 1.52 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 7/16" stud.