86-521 Walbro Nozzle/Check Valve Kit

86-521 Walbro Nozzle/Check Valve Kit. Fits Walbro Carburetors:  Carburetor SDC-10-1, Carburetor SDC-11-1, Carburetor SDC-14-1, Carburetor SDC-16-1, Carburetor SDC-18-1, Carburetor SDC-19-1, Carburetor SDC-2-1, Carburetor SDC-20-1, Carburetor SDC-24-1, Carburetor SDC-27-1, Carburetor SDC-3-1, Carburetor SDC-30-1, Carburetor SDC-34-1, Carburetor SDC-36-1, Carburetor SDC-47-1, Carburetor SDC-59-1, Carburetor SDC-7-1, Carburetor SDC-70-1, Carburetor SDC-8-1