COMP Cams · New
COMP Cams Adjusting Nut GM LS1 3/8
MPN 4654-1 · Store SKU cca4654-1
Supplier stock checked 11/8/2026, 1:19:40 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
This adjusting nut replaces the adjusting nut that comes with our adjustable Ultra Pro Magnum rocker arms for GM LS1/LS2/LS6 and LS3. Adjusting Nut for GM LS1/LS6/LS3 Ultra Pro Magnum Adjustable Rocker GM LS1 3/8 Adjusting Nut
Manufacturer fitment & guides
Check 4654-1 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y