Carburetor, Ford 800, 801, 900, 901, 4000 4-cyl. 2-11/16 center-to-center mounting bolt pattern. 1-5/16 throttle body throat diameter. 2-1/16 choke air horn (air inlet) outside diameter.
7/16 fuel inlet bolt thread use with FDS2620 Sediment Bowl bolt. Please verify size of your Sediment bowl bolt. If you have a 3/8 bolt you will need new Bolt, washers(FDS1785) and sediment bowl to use this carburetor.