COMP Cams · New
COMP Cams Rocker CS 1.5 3/8in Ultra Pro
MPN 1801-1 · Store SKU cca1801-1
Supplier stock checked 11/7/2026, 7:39:19 PM 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 Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for endurance, drag and circle track Applications. Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1801 rocker features a 1.5 ratio for use with 3/8" stud Chevrolet V6 and 265-400 Small Block. Ultra Pro Magnum XD Rocker w/ 1.5 Ratio for Chevrolet V6 and SBC w/ 3/8" Stud
Manufacturer fitment & guides
Check 1801-1 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
