Exedy Flywheel
Part Number: ZF01
Applications:
1986-91  RX-7    
1993-95  RX-7    
2003-06  RX-8    
1986-91 RX-7 "1.3L 13B-RE Turbo, FC3S When using ZF01 flywheel in vehicles built prior to 1/89 use adapter / counterweight N327-11-521A. Vehicles after 1/89 use adapter / counterweight N351-11-521. "
1993-95  RX-7  "1.3L 13B-REW Turbo, FD3S When using ZF01 flywheel, use adapter / counterweight N351-11-521."
2003-07 RX-8 "1.3L 13B-MSP Standard and High Power, SEP3 When using ZF01 flywheel, use adapter / counterweight N3Z2-11-52X."
                   
EXEDY Racing Flywheels are made from solid one piece billet chromoly steel forgings. They are specifically designed to reduce weight and inertia for better engine response.
Most incorporate special design features to enhance air flow to improve the cooling of the clutch. The ring gear teeth are milled onto the flywheel unlike an aluminum flywheel where the ring gear is pressed onto the flywheel and have the possibility of separating from the flywheel.