Hoca Performance 47mm Kymco 2-Stroke AC Big Bore Cylinder Kit SSP-G 47mm 2-Stroke Air-Cooled Big Bore Cylinder Kit for the following models: Kymco Agility 50 Kymco Grand Dink 50 Kymco Like 50 Kymco Mongoose 50 Kymco People 50 Kymco Super 8 50 Kymco Super 9 50 Kymco Top Boy (Cobra) 50 Kymco Vitality 50 Kymco Yup 50 Kymco Yager (Spacer) 50 Includes cylinder head, cylinder, piston, 12mm pin, rings, circlips, head gasket, base gasket and exhaust gasket.Please see our Warranty & Returns Policy. Overall Height (cylinder): 90mm Wrist Pin Diameter: 12mm Wrist Pin Length: 40mm Piston Diameter: 46.9mm Made in Taiwan