MS24 GY6 50 50CC CYLINDER KIT 30713940

Universal Parts 39mm Stock Cylinder Kit for 50cc 4-stroke QMB139 engines. Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket.

• Bore: 39mm
• Overall Height: 70mm
• Cylinder Sleeve Outer Diameter: 44.7mm