Complete Big Bore Kit for the 50cc Maddog. This kit comes with the complete top end,variator rollers,gasket kit and oil pump. A 20mm Carburetor and a Mikuni Fuel Pump. A must for 50cc Maddogs. We have sold and installed many of these kits,we consider this kit the best bang for your buck.  Free Shipping lower 48 states.  **This is our upgraded kit**

QMB139 GY6 50cc Big Bore Kit 69mm Valves W/Mikuni Fuel Pump & 20mm Carb $174.95

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