47mm Polini Piston Kit for 50cc 2-Stroke Air-Cooled Franco Morini Based ScootersINCLUDES: Piston Rings10mm Wrist PinCirclipsCOMPATIBILITY:Aprilia – Habana 50 2TAtala – Byte AT 10 50 2T, Hacker AT 12-Racing 50 2TBenelli – 491 ST Morini 50 2T, Naked Morini 50 2T, Pepe-LX Dal 50 2T (2007), Quattronovex 50 2T >’08 Derbi – Vamos 50 2THSC – ZZ Sepia 50 2THyosung – Prima 50 2T, SB50 Super CabItaljet – Formula 50 2T, Torpedo 50 2T, Velocifero 50 2TMalaguti – Crosser CR1 50 2TSiam – SCross 50 2TSuzuki – Address 50 2T, AJ-ZZ Sepia 50 2T, AP 50 2T, Katana 50 2T, Magic 50 2T, Zilion 50 2TTGB – R50X 50 2T, Laser R50UM – X-Speed 50 2TOther Similar ModelsThis 47mm piston kit will fit most 50cc 2-stroke Franco Morini based engines found on some TGB, Hyosung models.**