Performance replacement Holley 2-barrel 4412 500 CFM 50 cc pump. Carburetor features hand choke, 50cc pump,73 jets,28 squirter, center hung 3/8 inlet fuel bowl, Blue non-stick gaskets, 7.5 power valve, with anti blowout protection . Carburetor has been rebuilt and ready to bolt on. Comes with air horn and flange gasket.