Competition Clutch Ultra Lightweight Steel Flywheels (STU suffix) are recommended for forced induction and/or track and rally racing applications. This flywheel is machined with less material to assist in quicker revving capabilities. Well-suited for Stage 3 and up clutch applications. Made of 4140 forged steel and are a one-piece design. All flywheels are SFI certified. Not all applications have the ST and STU versions available. Flywheel weights vary from 8lbs to 18lbs depending on application.
Flywheel: Steel: Ultra Light: 1989-95 Mazda RX-7: 04-11 RX8: RX-8 REQUIRES CW-MZD-03 COUNTERWEIGHT
Mazda: RX-7 89 - 95 1.3 L Engine, Mazda: RX-8 04 - 11 1.3 L Engine
