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The COMP Cams Ultra Pro Magnum full set of 16 bolt-down rockers for cathedral-port LS1/LS2/LS6 engines delivers a 1.8:1 ratio with investment-cast 8650 chromemoly construction and a black oxide finish. These bolt-down rockers increase stiffness and lift over stock without swapping cams, using needle-bearing fulcrums and hardened roller tips to reduce friction and improve valvetrain durability under higher loads.
COMP Cams Rocker Arms GM LS1LS2LS6 1.8
