- 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
NOTE: GP Racers Choice piston.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2021-2023 | Gas Gas | EX450 F | |
| 2021-2023 | Gas Gas | MC450 F | |
| 2016-2022 | Husqvarna | FC450 | |
| 2017-2022 | Husqvarna | FS450 | |
| 2017-2022 | Husqvarna | FX450 | |
| 2021-2022 | KTM | 450 SMR | |
| 2016-2022 | KTM | 450 SXF | |
| 2016 | KTM | 450 SXF Factory Edition | |
| 2018 | KTM | 450 SXF Factory Edition | |
| 2020 | KTM | 450 SXF Factory Edition | |
| 2016-2022 | KTM | 450 XC-F | |