Billet Aluminum 4 Barrel Double Pumper Race Carburetor 650 CFM BR-67199 Gasoline Square Bore No 34607901OEM Part Number: BR 67199 Fit For the Following Models: Antique Cars, Classic Cars, Muscle Cars, Boats, and Industrial Engines Specifications: CFM Range: 600 699 cfm CFM: 650 Fuel: Gasoline Number of Barrels: 4 Carburetor Flange: Square Bore Choke: None Secondary Type: Mechanical Fuel Inlet: Dual Primary Jet Size: 68 Primary Power Valve (Hg): 4. 5 Hg Secondary Jet Size: 76 Primary Outer Air Bleed Sizes Included: 73 Primary Inner Air Bleed Sizes