ACT 2004 Mazda RX-8 Flywheel Kit Prolite w/CW03

Flywheel requires Counterweight (Included) Flywheel Kit Prolite w/CW03 Dramatically improved engine response and acceleration, mild to moderate gear rattle; Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life; Assures correct external balance for manual shift engine using OE front counterweight; Recommended for all uses; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability 600140-03 is a flywheel kit for various Mazda RX-7 and RX-8 applications 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 ACT's 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. Fitment: MazdaRX-840th Anniversary Edition2008 MazdaRX-8Base2004 MazdaRX-8Base2005 MazdaRX-8Base2006 MazdaRX-8Base2007 MazdaRX-8Grand Touring2008 MazdaRX-8Grand Touring2009 MazdaRX-8Grand Touring2010 MazdaRX-8Grand Touring2011 MazdaRX-8R32009 MazdaRX-8R32010 MazdaRX-8R32011 MazdaRX-8Shinka2005 MazdaRX-8Sport2008 MazdaRX-8Sport2009 MazdaRX-8Sport2010 MazdaRX-8Sport2011 MazdaRX-8Touring2008 MazdaRX-8Touring2009