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The COMP Cams Magnum Roller Self-Aligning Rocker Arm for late-model Chevrolet 200–262 V6 and 265–400 Small Block ('88+) offers a 1.6:1 ratio on 3/8" studs for stronger valve motion. Constructed from 8620 chromemoly steel with a roller tip, it minimizes tip friction and resists flex while maintaining ratio accuracy. Intended for street applications under 350 lbs open spring pressure, it’s a direct-fit upgrade.
COMP Cams Rocker Arm Chevy SB 1.6 3/8in
