Competition Cams 1678-16 Ultra Pro Magnum Roller Rocker Arms

Part # COM1678-16 Be the first to write a review

Compatible with GM LS Rectangle Port Heads

Not Available

Ultra Pro Magnum Roller Rocker Arm; 1.8 Ratio; Pedestal Mount; Bolt Down; Factory Offset; 16 pc.;

Investment cast 8650 chromoly body and arched, web like design deliver increased strength and rigidity while reducing moment of inertia
Increased retainer and valve spring clearances allow use of large diameter springs, retainers and +.050" locks without clearance or fitment issues
Designed to withstand valve spring pressures up to 850 lbs.
Unique Black Oxide exterior finish helps prevent corrosion, thus increasing durability
Feature oversided trunnions, precision-sorted needle bearings and hardened roller tips

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