Wiseco Forged Piston Kit 10.25:1 Comp 83.5mm (4419M08350)
- 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 |
| 1987-1999 | Yamaha | Big Bear 350 YFM350FW 4x4 | |
| 1997-1999 | Yamaha | Big Bear 350 YFM350U | |
| 2014 | Yamaha | Grizzly 350 YFM350 4x4 Auto | |
| 2014 | Yamaha | Grizzly 350 YFM350D 4x4 | |
| 2007-2013 | Yamaha | Grizzly 350 YFM350FG 4x4 | |
| 2012 | Yamaha | Grizzly 350 YFM350FG 4x4 IRS | |
| 2007-2011 | Yamaha | Grizzly 350 YFM350FGI 4x4 IRS | |
| 2007-2012 | Yamaha | Grizzly 350 YFM350G | |
| 1987-1995 | Yamaha | Moto 4 YFM350ER | |
| 2004 | Yamaha | Raptor 350 YFM350 | |
| 2005-2013 | Yamaha | Raptor 350 YFM350R | |
| 1987-2004 | Yamaha | Warrior 350 YFM350X | |
| 1995-2005 | Yamaha | Wolverine 350 YFM350FX 4x4 | |
| 2006-2009 | Yamaha | Wolverine 350 YFM350X | |