Stud Mount Rocker Arms Taken To A Whole New Level Of Performance
With a nearly unbreakable investment cast 8650 chromemoly body, Ultra Pro Magnum™ Rocker Arms use an arched, web-like design to increase strength & rigidity while reducing the moment of inertia.
Ultra Pro Magnum Rocker Arms
These unique rockers feature hardened roller tips, an oversized trunion & precision-sorted needle bearings that easily stand up to the abuse of the high-load valve springs needed to handle aggressive race applications.
- Investment cast 8650 chromemoly body & arched, web-like design increase strength & rigidity while reducing inertia
- Black oxide finish helps prevent corrosion & increases durability
- Optimized retainer & valve spring clearances allow for the use of most diameter springs, retainers & +.050″ locks without clearance or fitment issues
- Features oversized trunions, precision-sorted needle bearings & hardened roller tips
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