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
Constructed in the USA after FEA analysis, the Ultra Gold ARC rocker withstands up to 700 lbs pressure while improving power and stability. These 19018 rockers feature a 1.6 ratio for use with 3/8" stud '88+ Chevrolet 265-400 Small Block.
Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. These 19018 rockers feature a 1.6 ratio for use with 3/8" stud '88+ Chevrolet 265-400 Small Block.
ULTRA ARC NARROW ALUMINUM SERIES ROCKER ARM FOR '88+ CHEVROLET SMALL BLOCK, 3/8
Ultra-Gold ARC Narrow Rockers w/ 1.6 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud
Ultra ARC Narrow Rockers w/ 1.6 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud
COMP Cams Alum. Rocker Arm CS 1.6 3/8 Narrow Body - Ultra Gold
1.6 Ultra-Gold Rockers 88+ SBC 3/8" Stud
1.6 Ultra ARC Rockers 88+ SBC 3/8" Stud
Engine Rocker Arm Kit
UG ARC Rkrs 1.6 SBC
None