Description
A worn or damaged piston directly compromises engine efficiency, compression, and reliability—especially in high-demand sled applications where thermal stress is relentless. The PROX Piston Kit 01.5703.000 restores your engine to factory performance specifications with proven hypereutectic construction and premium ring materials, ensuring consistent power delivery and extended engine life. Whether you’re rebuilding after a season or performing preventative maintenance, this kit delivers the durability and cost-effectiveness serious riders demand.
- Hypereutectic cast alloy
- Dual-ring setup
- MOS2 skirt coating
- Anodized piston dome
- Riken premium rings
- Reduced thermal expansion
- Improved scuff resistance
- Complete kit included
- Piston, rings, pin
- Clips and bearing
- OEM-equivalent performance
- Professional-grade materials






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