150cc GY6B Piston Set

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