COMP Cams · New
COMP Cams Alum Rocker Arm CS 1.5 Narrow
MPN 19015-1 · Store SKU cca19015-1
Supplier stock checked 11/7/2026, 10:42:21 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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 adding power and stability. This 19015 self-aligning rocker has a 1.5 ratio for 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 adding power and stability. This 19015 self-aligning rocker has a 1.5 ratio for 3/8" stud '88+ Chevrolet 265-400 Small Block. Ultra-Gold ARC Narrow Rocker w/ 1.5 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud Ultra ARC Narrow Rocker w/ 1.5 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud
Manufacturer fitment & guides
Check 19015-1 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
