Description
A piston kit is one of the most critical components in engine performance and longevity. The PROX Piston Kit 01.1222.A delivers OEM-equivalent reliability with the precision engineering that high-performance engines demand. Whether you’re rebuilding after extensive use or upgrading your engine, this kit provides the exact tolerances and material quality needed to maintain peak combustion efficiency and durability.
Manufactured in Japan to exacting standards, this piston kit combines high-silicon aluminum alloy construction with CNC machining to ensure consistent performance across the entire package. You’ll receive everything needed for a complete piston assembly—eliminating guesswork and ensuring all components work together as intended.
- High-silicon aluminum alloy
- CNC-machined tolerances
- OEM replacement spec
- Includes piston rings
- Includes wrist pins
- Includes circlips
- Japanese manufacturing
- MPN: 01.1222.A
- Complete kit package
- Meets OEM specifications






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