COMP Cams · New
COMP Cams Rocker Arm Spacer CRS Magnum
MPN CR40 · Store SKU ccaCR40
Supplier stock checked 11/7/2026, 11:52:30 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
Made from SAE 8620 chromemoly Steel - Rocker bodies are heat-treated to obtain maximum strength and stiffness - Unique oil system lubricates all critical parts for long lasting service. - Big Block Chrysler system (part #1321-16) includes a special adjuster which allows the use of conventional ball ended pushrods. This spacer replaces the rocker spacers that come with both our 1622 and 1621 Chrysler Ultra Pro Magnum Shaft Mount Rocker System. Replacement Spacer for 1621/1622 Chrysler 273-360, 383-440 Shaft Mount Rocker Replacement Spacer for 1621/1622 Chrysler 273-360; 383-440 Shaft Mount Rocker
Manufacturer fitment & guides
Check CR40 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y