Well priced 50cc replacement cylinder kit with piston kit and all necessary parts for installation. Performance as on original item. Taiwanese manufactured and very well made. Good product to compete with Chinese-made aftermarket parts. Supplied as shown, without cylinder head. Suitable for CPI, Keeway, Generic with 12mm gudgeon pin (Euro 2 emissions) and Chinese-built Minarelli-based 2-stroke engines (1E40QMB).