50cc Cylinder Piston Gaskets Top End Kit For Sym Allo Cello Fiddle Mio Tonik 5050cc Cylinder Piston Gasket Top End Rebuild Kit 37mm For Peugeot Kisbee Speedfight 3 Vivacity SYM 50 AC Zylinder 4 Stroke Features: If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you. Kit includes cylinder, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). The cylinder is made of aluminum for good cooling with an internal