- This listing is for ONE piston with rings and circlips, You may need two pistons depending on your motorcycle
- All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco's state-of-the-art forging presses
- Built on a legacy of championships for over 60 years by American craftsmen
- Wiseco pistons have the latest dyno-tested technology to out-perform the competition
- Wiseco forged pistons are priced with rings and circlips
- Wiseco rings, clips and wrist pins only fit Wiseco pistons; also note that ring types do not interchange (i.e. Wiseco CD ring is not interchangeable with TD ring)
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1999-2005 | Husqvarna | CR250 | |
| 1999-2013 | Husqvarna | WR250 | |
| 1993-2007 | Kawasaki | KX250 | Mods Required |
| 2003-2005 | KTM | 250 EXC | |
| 2003-2016 | KTM | 250 SX | Mods Required |
| 2003-2008 | Suzuki | RM250 | Mods Required |
| 1999-2017 | Yamaha | YZ250 | Mods Required |
| 2018-2022 | Yamaha | YZ250 | |
| 2022 | Yamaha | YZ250 Monster Energy Yamaha Racing Edition | |