COMP Cams Ultra Pro Magnum XD rocker with a 1.7 ratio is a stud-mount component for Chevrolet 265–400 Small Block engines using 7/16" studs. Machined from 8650 steel with a billet pushrod seat insert, this rebuildable rocker is built to tolerate high spring pressures and deliver accurate valve motion. It includes precision-sorted needle bearings and hardened roller tips to distribute load and reduce wear for longer service life in demanding applications.
COMP Cams Rocker CS 1.7 7/16in Ultra Pro