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The COMP Cams Ultra Pro Magnum LS3 rocker kit supplies a full set of 16 stud-mount rockers engineered for LS3/L99/L76 rectangle-port heads. These 1.8:1 ratio, 3/8" stud rockers are investment-cast from 8650 chromemoly with a black oxide finish and include poly locks, studs and guide plates. The set increases stiffness and lift over stock without swapping cams and uses needle-bearing trunnions and hardened roller tips for improved durability.
COMP Cams Rocker Arms GM LS3 1.8 3/8 Ultra
