The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 applications 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.
For Small Block Chevy applications, 1.6 Ratio, 3/8" Studs; Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while reducing moment of inertia; Unique black oxide exterior finish helps prevent corrosion, thus increasing durability; Optimized retainer and valve spring clearances allow use of most diameter springs, retainers and +.050" locks without clearance or fitment issues; Feature oversized trunions, precision sorted needle bearings and hardened roller tips
265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8" diameter stud.
COMP Cams Ultra Pro Magnum Roller Rocker Arm, 1.6 Ratio, 3/8" Stud Diameter for Small Block Chevrolet, Single Piece
Ultra Pro Magnum Rocker Arm w/ 1.6 Ratio for Chevrolet V6 and SBC w/ 3/8" Stud
COMP Cams Rocker Arm CS 1.6 3/8 Ultra Pro
Ultra Pro Rocker 1.6 V6/SBC 3/8" Stud
Rocker Arm, CS 1.6 3/8 Ultra Pro Mag
Engine Rocker Arm
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