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; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability
This Part Fits:
| Year | Make | Model | Submodel | 
| 1988 | Mazda | RX-7 | 10th Anniversary | 
| 1993-1995 | Mazda | RX-7 | Base | 
| 1987 | Mazda | RX-7 | GXL 2+2 | 
| 1993 | Mazda | RX-7 | R1 | 
| 1994-1995 | Mazda | RX-7 | R2 | 
| 1993-1995 | Mazda | RX-7 | Touring | 
| 1986-1991 | Mazda | RX-7 | Turbo | 
| 2008 | Mazda | RX-8 | 40th Anniversary Edition | 
| 2004-2007 | Mazda | RX-8 | Base | 
| 2008-2011 | Mazda | RX-8 | Grand Touring | 
| 2009-2011 | Mazda | RX-8 | R3 | 
| 2005 | Mazda | RX-8 | Shinka | 
| 2008-2011 | Mazda | RX-8 | Sport | 
| 2008-2009 | Mazda | RX-8 | Touring |