Product Description This is a brand new PZ19 cable choke Carburetor, 35mm Air filter and gas filter set Fit Models: Chinese 50cc, 70cc, 90cc, 100cc, 110cc and 125cc ATVs, Dirt Bikes, and Go Karts Carburetor Dimensions: Engine Opening O.D.: 19mm Bolt Hole Spacing: 48mm Air Filter Mount: 35mm