- ProX pistons provide a reliable and cost-effective way to maintain the engine in excellent condition
- High-quality cast piston made with dedicated tooling and molding
- Made from hypereutectic alloy for extra strength and reduced expansion
- Special ring setup for improved durability and resistance to wear
- Some pistons come with Full MoS2 skirt coating for improved breaking in and resistance to scuffing
- Anodized piston dome for increased protection against excessive heat
- Usage of high-quality rings such as Riken for optimum heat transfer and sealing
- Packed in a box containing piston, rings, wrist pin, circlips.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 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 | |
| 2005-2013 | Yamaha | Raptor 350 YFM350R | |
| 1987-2004 | Yamaha | Warrior 350 YFM350X | |