Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The COMP Cams Magnum Roller Rocker Arm for Chevrolet Small Block V8 (265–400) and V6 (200–262) applications delivers a 1.6:1 ratio on a 3/8" stud for improved valve motion. Machined from 8620 chromemoly steel with a roller tip, the design reduces friction and maintains lift under load. Rated for spring pressures below 350 lbs, these rockers are positioned as a durable street upgrade that tightens ratio accuracy and boosts efficiency.
COMP Cams Magnum Roller Rocker Chevy SB
