- Improve bottoming feel and wear life
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1988-1992 | Honda | CR125R | |
| 1991 | Honda | CR250R | |
| 1991-1993 | Honda | CR500R | |
| 1996-2004 | Honda | XR250R | |
| 1986-2006 | Kawasaki | KDX200 | |
| 1997-2005 | Kawasaki | KDX220R | |
| 1991-1994 | Kawasaki | KDX250 | |
| 1994-1996 | Kawasaki | KLX250R | |
| 1997-2001 | Kawasaki | KLX300R | |
| 1993-1996 | Kawasaki | KLX650 | |
| 2004-2005 | Kawasaki | KX250F | |
| 1988-1989 | Suzuki | RM125 | |
| 1988-1989 | Suzuki | RM250 | |
| 1989-1990 | Suzuki | RMX250 | |
| 1993-2001 | Yamaha | YZ80 | |
| 2002-2008 | Yamaha | YZ85 | |