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The COMP Cams Ultra Pro Magnum XD 1.6 ratio rocker arm set is designed for Chevrolet 265–400 small-block engines using 7/16" studs. Machined from 8650 steel with billet pushrod seat inserts, these rebuildable rockers employ precision-sorted needle bearings and hardened roller tips to improve load distribution and reduce wear while working with most spring diameters and retainers under high spring pressures.
COMP Cams Rockers CS 1.6 7/16in Ultra Pro
