AUXMART Ford Carburetor for 1975~1982 Ford 240-250-300 Engine YF C1YF 6 CIL D5TZ9510AG (Automatic Choke) Type: Automatic Choke Material: Heavy Duty Zinc Alloy Throttle Side Hole Diameter: 43mm(11/16") High Performance Mechanical Chock, 1-Barrel, Single Inlet Add 5~10% Horsepower and Maintain Near Stock Fuel Mileage Package Included: 1x Carburetor for Ford, 2x Mounting Gaskets (Part Number: D5TZ9510AG)