[Second Hand]Compatible for Ford F100 F150 F250 350 4.9L Choke 300 250 CU Carb 1-barrel CarburetorDescription 1. Carburetor structure Components of Carburetor usually include a storage chamber for liquid fuel, a choke, an idling (or slow running) jet, a main jet, a venturi shaped air flow restriction, and an accelerator pump. The quantity of fuel in the storage chamber is controlled by a valve actuated by a float. 2. Carburetor is a kind of oil supply device in the engine of automobileThe goal of a carburetor is to mix just the right amount of