Comp Cams Ultra Pro Magnum 1.52 1988-Later Chevy V6 Roller Rocker Arm #1617-12
Brand new set of Twelve (12) COMP Cams Ultra Pro Magnum Roller Rocker Arms with adjusting nuts. Fits 1988 & Newer V6 Chevrolet Engines with Self-Aligning Rockers, 1.52 Ratio, 3/8" Stud. Part #1617-12.
The Ultra Pro Magnum™ Roller Rocker Arms 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. 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.