- Manufactured in Japan and designed to be used for Pro-X pistons or original equipment pistons
- Order 1 set per piston
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2013-2015 | Gas Gas | EC250 F | |
| 2001-2009 | Yamaha | WR250F | |
| 2011-2013 | Yamaha | WR250F | |
| 2001-2007 | Yamaha | YZ250F | |
| 2012 | Yamaha | YZ250F | |