- Always have the countershaft lock-washers and snap rings on hand for a front sprocket replacement
- Sold to dealers in 10-packs; sold to consumers as each
| Compatible Vehicles | |||
| Years | Make | Model | Notes |
| 2008-2009 | Kawasaki | KLX450R | |
| 2006-2014 | Kawasaki | KX450F | |
| 1998-2000 | Yamaha | WR400F | |
| 2001-2002 | Yamaha | WR426F | |
| 2003-2009 | Yamaha | WR450F | |
| 2011-2021 | Yamaha | WR450F | |
| 2004-2009 | Yamaha | YFZ450 | |
| 2012-2013 | Yamaha | YFZ450 | |
| 1999-2023 | Yamaha | YZ250 | |
| 2015-2023 | Yamaha | YZ250FX | |
| 2016-2023 | Yamaha | YZ250X | |
| 1998-1999 | Yamaha | YZ400F | |
| 2000-2002 | Yamaha | YZ426F | |
| 2003-2023 | Yamaha | YZ450F | |
| 2016-2023 | Yamaha | YZ450FX | |