GOOFIT PZ19 19mm Carburetor w/Hand Choke Lever for 110cc ATV Dirt Bike Go Kart The item fits for 110cc Horizontal Engine,hand choke carb The inside diameter of carburetor:19mm The outside diameter connected with air filter:37mm Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon) Arrival within 7-15 days (Ships from and sold by GOOFIT)