Fit forCub Tractors (Up to Engine SN 312389) Early Cub LoBoy 154 (Up to Engine SN 312389)Part Number 251234R94, 364579R91, 63349C91, 251234R92, 251234R91, 63349C91, 251234R93, 251293R91SpecificationBolt hole spacing: 46mm (center to center);Inlet diameter: 24mm;Inner diameter of choke door: 28mm;Outer diameter of choke door: 31.8mmPackage Includes1x carburetor as picture shown Notice-Please compare your carburetor against pictures to ensure this part fits your vehicle -Please confirm your old part number matches up with one of the part numbers above -Professional installation is highly recommended (No Instruction Included) -For any needs please contact usApplicationfor Farmall compatible for IH Tractor for Cub with engine serial number up to 312389 for Early Cub LoBoy 154 (Up to Engine SN 312389)SpecificationPart Number: 251234R94, 364579R91, 63349C91, 251234R92, 251234R91, 63349C91, 251234R93, 251293R91 Instructions: Not included Package Includes: 1x carburetor as picture shown