Additional Details ------------------------------ Product description: CF 250cc Moped Go Karts Cart Engine Cylinder Kit Piston Ring Gasket HONDA CH250 This Listing is for a Honda helix engine block cylinder kit including ring and gaskets. All the parts you need to rebuild your Honda helix engine. Made by CFMOTO OEM and has been Not Installed on thousands of 250 cc scooters so you know they are good quality.