1 X 1404 Carburetor. Choke Type: Manual Choke. CFM: 500 CFM. Carburetor Barrels: 4-Barrel. Carburetor Flange Type: 4-Barrel Square Bore. 1 X Square-bore Base Gasket. Fuel Type: Gasoline. Antique cars, classic cars, muscle cars, boats, and Industrial Engines.