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The COMP Cams Magnum Roller Rocker Arm for Chevrolet V8 (265–400) and V6 (200–262) applications provides a 1.6:1 ratio on a 3/8" stud for improved valve lift on street engines. Fabricated from 8620 chromemoly steel with a roller tip, the arm reduces tip friction and resists flex for consistent operation. Intended for systems under 350 lbs open spring pressure, it offers a durable upgrade over standard rocker arms.
COMP Cams Magnum Roller Rocker Chevy SB
