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COMP Cams Ultra Pro Magnum XD 1.6 ratio rocker arm set (8-piece) for 7/16" stud Ford 289, 302 and 351 Windsor engines blends durable 8650 steel construction with a machined billet pushrod seat insert. These fully rebuildable rockers use precision-sorted needle bearings and hardened roller tips to distribute load and reduce wear. The XD design, refined via FEA and CAD, improves stiffness and MOI for racing and endurance applications.
COMP Cams Rockers FS 1.6 7/16in Ultra Pro
