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Competition Components
4406 Van Atta Rd.
Okemos, MI 48864
PH: 616.499.6223
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Ultra Pro Magnum Rockers - Ford
ROCKER ARM, Ford Cleveland, Boss, 429-460 1.7 7/16 ULTRA PRO MAG
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- Investment cast 8650 chromemoly steel body & arched, web-like design increase strength & rigidity while significantly reducing the moment of inertia
- CAD & FEA design is approximately 29% stronger than the previous Pro Magnum Rocker Arm design
- Black oxide exterior finish helps prevent corrosion of the rocker body
- Increased retainer & spring clearance for use with large diameter valve springs, retainers & +.050" locks
- Feature oversized trunions, precision sorted needle bearings, hardened roller tips, rebuildable design & lifetime guarantee on the rocker body
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