
COMP Cams · New
COMP Cams Rocker Arms GM LS3 1.8 Bolt D
MPN 1678-8 · Store SKU cca1678-8
Supplier stock checked 11/7/2026, 3:53:26 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
COMP Cams Ultra Pro Magnum Roller Rocker Arms, 1.8 Ratio, Pedestal Mount, LS3, Set of 8 Rocker Arms, GM LS3 1.8 Bolt Down
Manufacturer fitment & guides
Check 1678-8 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y