The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced, Recessed, Contoured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warranty—buy them once and use them forever. Engineered for applications running up to 700 lbs of open spring pressure.
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
Perfect for initial break-in, this Ultra-Gold ARC rocker for Chevrolet Small Block reduces valve lift by limiting the rocker ratio to 1.3. A great asset to engine builders who prefer to limit the valve lift over removing an inner spring.
Perfect for initial break-in, this Ultra ARC rocker for Chevrolet Small Block reduces valve lift by limiting the rocker ratio to 1.3. A great asset to engine builders who prefer to limit the valve lift over removing an inner spring.
ULTRA ARC ALUMINUM SERIES BREAK-IN ROCKER ARM FOR CHEVROLET SMALL BLOCK, 7/16" S
Ultra-Gold ARC Break-In Rocker w/ 1.3 Ratio for Chevrolet SBC w/ 7/16" Stud
Ultra ARC Break-In Rocker w/ 1.3 Ratio for Chevrolet SBC w/ 7/16" Stud
COMP Cams Rocker Arm Ultra Gold SBC 7
1.3 SBC Break-In Rocker 7/16" Stud
Engine Rocker Arm
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