Related Photo Galleries
By comparison, this muscle era Carter AFB has removable venturi, an attached choke assembly and dual floats. The AFB (aluminum four-barrel) main body includes the throttle valves. Quadrajets have separate castings for the throttle valve plate, main body, and top cover or air horn. Holley's square-flange, four-barrel carburetors, like the 4150/4160 series, use end floats.