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.
Constructed in the USA after FEA analysis, the Ultra Gold ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19021 rocker features a 1.7 ratio for use with 7/16" stud Chevrolet 396-454 Big Block.
Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19021 rocker features a 1.7 ratio for use with 7/16" stud Chevrolet 396-454 Big Block.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
ULTRA ARC ALUMINUM SERIES ROCKER ARM FOR CHEVROLET BIG BLOCK, 7/16" STUD, 1.7 RA
Ultra-Gold ARC Rocker w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud
Ultra ARC Rocker w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud
1.7 Ultra-Gold ARC Rocker BBC 7/16" Stud
COMP Cams Rocker Arm Ultra Gold Arc BBC
1.7 Ultra ARC Rocker BBC 7/16" Stud
Engine Rocker Arm
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