Universal Parts GY6 150cc 57.4mm Cylinder Kit

Universal Parts 57.4mm Stock Cylinder Kit for 150cc GY6 4-stroke engines. Includes cylinder, piston, pin, circlips, rings, head gasket, base gasket and chain tensioner gasket. Bore: 57.4mm Overall Height: 90mm Cylinder Sleeve Outer Diameter: 60.7mmPiston Pin Diameter: 15mmPiston Pin Length: 42mm