1989-1995 Mazda RX-7 Flywheel Kit Prolite w/CW02 by ACT 600140-02 is a flywheel kit for various Mazda RX-7 and RX-8 applications that 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. XACT Prolite flywheels are ACTs lightest flywheel offering with lowest inertia. Prolite flywheels are designed for best throttle response and acceleration. Prolite flywheels are preferred for road racing or rally racing, and have reduced drivability. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. XACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. Features Product Weight (lbs.): 13.5 Material: Chromoly Steel Flywheel Type: Prolite Tooth Quantity: 125 Benefits Dramatically improved engine response and acceleration Mild to moderate gear rattle Solution heat-treated forging for strength and toughness Assures correct external balance Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability Applications 1989-1995 Mazda RX-7 What\’s In The Box? 1 – ACT Flywheel Kit Prolite w/CW02 Warranty ACT 1-Year Limited Warranty