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COMP Cams Ultra Pro Magnum XD 1.73 ratio rocker arm set provides stud-mount strength for Ford Boss 302, 351C and 429–460 applications. Machined from durable 8650 steel and fitted with a billet pushrod seat insert, these fully rebuildable rockers include precision-sorted needle bearings and hardened roller tips to reduce wear. FEA and CAD-refined XD design enhances stiffness and MOI for drag, circle track and endurance racing.
COMP Cams Rockers FC 1.73 7/16in Ultra Pro
