Description
If your engine is showing signs of wear—loss of compression, increased blow-by, or worn ring grooves—a quality piston kit is your most direct path to restored performance and reliability. The PROX Piston Kit 01.1222.B delivers OEM-equivalent engineering with the precision manufacturing standards you need for a long-lasting rebuild. Whether you’re refreshing a high-mileage engine or preparing for competition, this Japanese-engineered kit ensures your rebuild meets the exact specifications your engine demands.
- Manufacturer: PROX
- Part Number: 01.1222.B
- Origin: Japan
- Material: High-silicon aluminum alloy
- Specification: OEM replacement
- Manufacturing Process: CNC-machined
- Tolerance: Extremely close tolerances
- Contents: Pistons, rings, wrist pins, circlips
- Installation: Professional engine rebuild









