Description
A worn or damaged piston directly compromises engine compression, power delivery, and fuel efficiency—leaving you stranded on the track or trail. The PROX Piston Kit restores your engine to OEM specifications with Japanese-manufactured precision, ensuring reliable performance whether you’re chasing lap times or pushing through demanding terrain. This complete kit includes everything needed for a proper rebuild, eliminating the guesswork and sourcing hassle.
- OEM replacement specification
- High-silicon aluminum alloy
- CNC-machined tolerances
- Includes piston rings
- Wrist pins included
- Circlips included
- Fits MX/EC250 engines
- Made in Japan
- Complete kit package
