ACT · New
ACT 2004 Mazda RX-8 Flywheel Kit Streetlite w/CW03
MPN 600145-03 · Store SKU act600145-03
Supplier stock checked 11/7/2026, 10:43:44 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
600145-03 is a flywheel kit for various Mazda RX-7 and RX-8 applications and comes complete with an ACT counterweight. The flywheel counterweight is required when installing the XACT flywheel on various Mazda RX-7 and RX-8 rotary applications. ACT XACT Streetlite flywheels are considerably lighter than stock and are the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. XACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. ACT Streetlite Flywheel Kit with CW03 Counterweight Flywheel Kit Streetlite w/CW03
Manufacturer fitment & guides
Check 600145-03 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y