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The COMP Cams Ultra Pro Magnum roller rocker arm is an investment-cast 8650 chromemoly stud-mount rocker with a black oxide finish for corrosion resistance and durability. It delivers a 1.6:1 ratio on 3/8" studs for Ford V8 289–302–351W applications. Oversized trunnions, precision-sorted needle bearings and hardened roller tips improve stability and dynamic balance. Rated for use with up to 850 lbs open spring pressure and backed by a lifetime breakage warranty.
COMP Cams Rocker Arm FS/FW 1.6 3/8 Ultra
