Universal Parts 57mm Piston, Pin, and Circlips for 150cc GY6B 4-stroke ZNEN engines commonly found in Lance Phoenix, Flyscooters Cadenza, ZNEN ZN150T-18, Xingyue ITA-150, Motorino Cassini, CMS Prodigy, BMS Pathfinder and many more.
- Piston Diameter: 57.3mm
- Piston Pin Diameter: 15mm
- Includes: piston, rings, piston pin, and cir clips
- Compression Height (center of piston pin hole to top of piston): 20mm