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COMP Cams Ultra Pro Magnum roller rocker arms for Chevrolet small-block V8 (265–400 ci) with a 3/8" stud and 1.52 ratio, designed specifically for intake valves on Twisted Wedge heads. Investment-cast 8650 chromemoly bodies with black oxide finish increase strength and reduce corrosion. Oversized trunnions, precision-sorted needle bearings and hardened roller tips add durability. Optimized retainer and valve spring clearances accept most springs and +.050" locks; rated for up to 850 lbs spring pressure and backed by a lifetime breakage warranty.
COMP Cams Rocker Arm CS Tw 1.52 3/8 Ultra
