Seller notes

Scooter Big Bore Performance Kit, Fits The QMB139/GY6 Based 50cc Four Stroke Chinese Scooter Engines. This is a 50 mm Bore, Comes Complete with Cylinder, Piston Set, Gaskets, Complete Head Already Assembled (64mm Valve Length), Performance Air Filter, Performance 6.5 Gram Roller Weights ,#85 Carb Jet ,(64mm) Rocker Arms and Performance CDI Racing Box . Plus Free Shipping to US addresses, International Shipping Rates do Apply. This is the best Value on a Big Bore Kit you will find $89.99 plus Fre...

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