Ford got the message about its new emissions-inspired 4300 carburetor from dealer service ... and the primary float needle valve fitting and gasket, which tightens with a 7/16-inch open end ...

Like all Pony Carburetors' products, each new 1100 Vaporizer is shipped with detailed instructions plus a filter and gasket ... on the 4300 and 4350 can be found in the Ford Carburetor Guide ...