ATV 47mm Performance Big Bore Cylinder Kit Compatible for GY6 80cc 139QMB ATV Scooter Moped Go Kart

Application:
Fit for following models: GY6 49cc 50cc 60cc 80cc engine GY6 80cc 139QMB ATV Scooter Moped Go Kart

Specification: Inner Diameter of Cylinder: 47mm Outer Diameter of Piston Pin: 13mm Include: 1 X Cylinder 1 X Piston 1 X set Piston Ring 1 x Piston Pin 2 x Piston Pin Clip 1 x Valve Oil Seal 1 x Gasket 1 x Tensioner Gasket 1 x Exhaust Gasket 1 x set Intake&Exhaust Studs 2 x Exhaust Nut