The most reasonably priced component used on the A100-4 1978 (c) General Export (e01) Carburetor is the Screw.
With four applications this Screw is the most specified part.
Parts such as the Carburetor: Stopper,needle Clip, Rod,throttle Valve Adjust, Jet,main, Spring are included in the A100-4 1978 (c) General Export (e01) Carburetor parts fiche.