110 cc Engine Cylinder Piston Pin Ring Gasket Rebuild Kit ATV Go Kart Dirt Bike 52.4mm Brand new complete engine cylinder head rebuild Kit for Chinese 110cc ATV Dirt Bike Scooter Go Kart Fit Models: Works with most Chinese brand 110cc engines: Roketa 110cc ATV Dirt Bike Scooter Go Kart Coolster 110cc ATV Dirt Bike Kazuma 110cc ATV Dirt Bike Scooter Go Kart Sunl 110cc ATV Dirt Bike Scooter Go Kart Taotao 110cc ATV Dirt Bike Scooter Go Kart JeMoto, Hensim, JCL, Coolster, Baja, Peace, SSR 110cc and the list goes on. Cylinder Measurement: Bore: 52.4mm Piston Measurement: t comes with valves (pre-installed) and all covers. Intake valve-23mm / Exhaust valve-20mm Timing Drive Sprocket-28 teeth Please check the measurement before you buy.