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The COMP Cams Ultra Pro Magnum XD 1.65 ratio stud-mount rocker arm brings durable, rebuildable valvetrain support to Chevrolet 265–400 small-block engines. Machined from 8650 steel and fitted with a billet pushrod seat insert, these rockers use precision-sorted needle bearings and hardened roller tips to better distribute loads and reduce wear while working with most spring diameters and retainers.
COMP Cams Rockers CS 1.65 3/8in Ultra Pro
