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COMP Cams Ultra Pro Magnum roller rocker arms for '88-and-later Chevrolet Small Block and V6 applications with self-aligning rockers, 3/8" stud and 1.6 ratio. Investment-cast 8650 chromemoly construction with black oxide finish offers strength and corrosion protection while the arched design reduces inertia. Oversized trunnions, precision-sorted needle bearings and hardened roller tips improve dependability. Optimized retainer and valve spring clearances accept most springs and +.050" locks and the rockers are rated for up to 850 lbs spring pressure.
COMP Cams Rocker Arm CS 1.6 3/8 Ultra Pr
