- 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 |
| 1987-2005 | Yamaha | Banshee 350 YFZ350 | |
| 2006 | Yamaha | Banshee 350 YFZ350SP 50th Anniversary Edition | |
| 1974-1975 | Yamaha | RD350 | |
| 1973 | Yamaha | RD350 Street Series 350 | |
| 1976-1978 | Yamaha | RD400 | |
| 1979 | Yamaha | RD400 Daytona Special | |