47mm Big Bore Kit Cylinder Piston Rings Fit for GY6 50cc To 80cc 4 Stroke Scooter Moped ATV with 139QMB 139QMA Engine

High-concerned chemical：None Special Features：New products with high quality Item Weight：0.82kg Origin：Mainland China Item Type：engines Material：metal Color：Silver FIT 1：for GY6 50cc to 80cc 4 Stroke Scooter Moped ATV Suitable：for models with 139QMB or 139QMA engine Inner Diameter of Cylinder：47mm Outer Diameter of Piston Pin：13mm Note：This Is Aftermarket Replacement Item But Not Genuine

High-concerned chemical: None Special Features: New products with high quality Item Weight: 0.82kg Origin: Mainland China Item Type: engines Material: metal Color: Silver FIT 1: for GY6 50cc to 80cc 4 Stroke Scooter Moped ATV Suitable: for models with 139QMB or 139QMA engine Inner Diameter of Cylinder: 47mm Outer Diameter of Piston Pin: 13mm Note: This Is Aftermarket Replacement Item But Not Genuine