WARNING: Proposition 65 Compliance Statement It is the responsibility of Boost Projects to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Go to https://www.p65warnings.ca.gov for more information.
Upgrading the Flywheel on your RX-7 or other Rotary application? Then you’ve come to the right place. ACT Flywheel Counterweights are designed and manufactured for 1986-1995 RX-7 and Rotary applications from that year. ACT Flywheel Counterweights are required when replacing your stock flywheel with an ACT XACT Flywheel to maintain the balance from that the motor experiences from the factory.