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COMP Cams Ultra Pro Magnum XD 1.7 ratio rocker is specified for 7/16" stud Ford 289, 302 and 351 Windsor engines. Machined from 8650 steel and featuring a billet pushrod seat insert, this rebuildable rocker uses precision-sorted needle bearings and hardened roller tips to reduce wear and handle high spring pressures. XD design, refined with FEA and CAD, improves stiffness, strength and MOI for track and endurance demands.
COMP Cams Rocker FS 1.7 7/16in Ultra Pro
