The COMP Cams Ultra Pro Magnum LS1 rocker kit converts cathedral-port LS engines to an adjustable valvetrain with 1.8:1 rockers, guide plates, 3/8" studs and raised guide plates for 5/16" pushrods. Investment-cast 8650 chromemoly rockers feature a black oxide finish, needle-bearing fulcrums and hardened roller tips to increase strength and lift without swapping cams. The kit provides a complete adjustable solution including poly locks and necessary hardware.
COMP Cams Rocker Arm KitLS1 1.8 5/16