Edelbrock Performer Carburetor 750cfm Square Bore # ED14073 Carburetor, Performer, 750 cfm, 4-Barrel, Square Bore, Manual Choke, Single Inlet, Black Powdercoated, Each CFM: 750 Fuel: Gasoline New or Remanufactured: New Number of Barrels: 4 Carburetor Flange: Square bore Choke: Manual Secondary Type: Mechanical Fuel Inlet: Single Primary Jet Size: 113 Secondary Jet Size: 107 Carburetor Color: Black powdercoated Ford Kickdown: No Throttle Linkage Type: Universal Carburetor Height (in.): 3.250 in. Quantity: Sold individually. Notes: Metering rods are .071 in. x .047 in. with Orange 5 in. Hg step-up springs. High-performance (small CID), moderate high-performance (big CID), towing. Please see the charts and guides tab for a comparison of square bore vs spread bore. Brake booster fitting not included. Edelbrock Performer Carburetors Edelbrock's Performer carburetors feature 2-piece, all-aluminum construction for cooler operating temperatures and less warping. There are no gaskets below the fuel bowl level for fewer leaks, and no plastic parts or power valves to blow out. The carbs use easily changed metering rods for precise tuning, non-adjustable secondary air valvesajhhnd the primary venturi booster is a bottom-feed design for smoother acceleration and better drivability. An Owner's Manual is included with every Edelbrock carburetor. The manuals consist of two sections: Section 1, Theory of Operation and tuning procedures which will help you be prepared to develop your own individualized calibration. Section 2, Tuning procedures will take you through a step-by-step procedure that will enable you to achieve a desirable calibration. For added ease of tuning, a Calibration reference chart for your model of carburetor is also included. Performer carburetors are available with a variety of options; select the model that best suits your needs.