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COMP Cams Ultra Pro Magnum roller rocker arms for Chevrolet small-block V8 (265–400 ci) with a 7/16" stud and 1.6 ratio. Investment-cast 8650 chromemoly construction, arched web design and black oxide finish combine strength, reduced inertia and corrosion resistance. Oversized trunnions, precision-sorted needle bearings and hardened roller tips increase dependability. Optimized retainer and valve spring clearances accept most springs and +.050" locks and the rockers are rated for use up to 850 lbs spring pressure with a lifetime breakage warranty.
COMP Cams Rocker Arms CS 1.6 7/16 Ultra
