ACT · New
ACT 1979 Ford Mustang Flywheel Counterweight
MPN CW04 · Store SKU actCW04
Supplier stock checked 11/7/2026, 8:20:45 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
CW04 counterweights are required when installing an XACT flywheel for various applications. Flywheel Counterweight
Manufacturer fitment & guides
Check CW04 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y