The mounting bolts 2-1/4" center to center, throttle body throat size measures 1-1/16" diameter, choke air horn (air inlet) diameter is 1-5/16" O.D, The fuel inlet measures 1/8" NPT
TOP quality Carburetor, mixes air and gas before the fuel mix goes to the engine, help to keep your outdoor power equipment running at peak performance
Fully Assembled and Easy to Install,Direct Replacement for Your Stock Carb