Big Bore Kit, Scooter Moped 80cc without Head Asy GY6

80cc Big Bore Kit This kit fits most Chinese Scooters/Mopeds with 50cc, 60cc 4-Stroke GY6/QMB139 engines. Included in this big bore set is: Cylinder Piston & Ring Set Wrist Pin Cirq Clips Head Gasket Base Gasket