Comp Cams Ultra Pro Magnum™ Roller Rocker Arms: Chevy V8 265-400 cid; 7/16" Stud, 1.52 Ratio

Comp Cams Ultra Pro Magnum™ Roller Rocker Arms: Chevy V8 265-400 cid; 7/16" Stud, 1.52 Ratio

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Ultra Pro Magnum™ Roller Rocker Arms: Chevy; 7/16" Stud, 1.52 Ratio

 SKU 1604-16
  • Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability.
  • Optimised retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.
  • Feature oversized trunnions, precision-sorted needle bearings and hardened roller tips.
  • For use with up to 850 lbs of open spring pressure.

The Ultra Pro Magnum™ Roller Rocker Arms for Chevy V8 265-400 cid (SBC) applications not only live up to the lofty standards of the original Pro Magnums™, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud diameter and 1.52 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunnions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.