150cc GY6 Piston Rings

Piston Ring set for 150cc GY6 4-stroke QMI157 QMJ157 engines and 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. Thin Ring Thickness: 0.4mm Thin Ring Width: 1.8mm Middle Oil Ring Thickness: 1.8mm Piston Ring Inner Diameter : 56mm