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COMP Cams Ultra Pro Magnum XD 1.6 ratio rocker arm set for Chevrolet small- and big-block applications uses 7/16" studs and is offered as a set of twelve. Machined from 8650 steel with a billet pushrod seat insert for accurate ratios, these rebuildable rockers include precision-sorted needle bearings and hardened roller tips to spread load, reduce wear and work with most spring diameters in demanding track or street setups.
COMP Cams Rockers CB 1.6 7/16in Ultra Pro
