- 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 |
| 2002-2004 | Yamaha | Grizzly 660 YFM660F 4x4 | |
| 2005-2006 | Yamaha | Grizzly 660 YFM660FA 4x4 | |
| 2001-2005 | Yamaha | Raptor 660R YFM660R | |
| 2004-2007 | Yamaha | Rhino 660 YXR660FA 4x4 | |
| 2006-2007 | Yamaha | Rhino 660 YXR660FAEX 4x4 Exploring Edition | |
| 2006 | Yamaha | Rhino 660 YXR660FASE 4x4 Special Edition | |
| 2007 | Yamaha | Rhino 660 YXR660FDU 4x4 Ducks Unlimited Edition | |
| 2007 | Yamaha | Rhino 660 YXR660FSE 4x4 Special Edition | |
| 2007 | Yamaha | Rhino 660 YXR660FSP 4x4 Sport Edition | |