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Competition Cams 1602-16 Ultra Pro Magnum 1.6 Ratio, 3/8" Stud Diameter, Roller Rocker Arm for Small Block Chevrolet
The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 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 3/8" stud diameter and 1.6 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 trunions, 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. ...Read more
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