- The piston is heat-treated with a T-5 hardening and tempering cycle
- The piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break in time and increased piston life
- Forged high compression piston improves power and torque across entire rpm range
- Piston kit includes piston, rings, wrist pin and circlips
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2008-2013 | Yamaha | Raptor 250 YFM250R | |
| 2008 | Yamaha | Raptor 250 YFM250RSP Special Edition | |
| 2008 | Yamaha | Raptor 250 YFM250RSP2 Special Edition II | |