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COMP Cams Ultra Pro Magnum XD 1.6 ratio rocker arm is specified for 3/8" stud Ford 289, 302 and 351 Windsor applications. 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 accommodate most spring and retainer diameters. XD geometry refined by FEA and CAD improves stiffness and MOI for racing conditions.
COMP Cams Rocker FS 1.6 3/8in Ultra Pro
