- 15% stiffer than original
- Minimize clutch slip
- Reduce plate wear
- Improve power to ground
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1994-1998 | Yamaha | Big Bear 350 YFM350FW 4x4 | |
| 1996-1998 | Yamaha | Big Bear 350 YFM350U | |
| 2003 | Yamaha | Big Bear 400 YFM400FW 4x4 | |
| 1993-1999 | Yamaha | Kodiak 400 YFM400FW 4x4 | |
| 1995 | Yamaha | Moto 4 YFM350ER | |
| 1987 | Yamaha | SRX250 | |
| 1998-2000 | Yamaha | WR400F | |
| 2000-2001 | Yamaha | YZ250 | |
| 1998-1999 | Yamaha | YZ400F | |
| 2000 | Yamaha | YZ426F | |