Application1953-1968 compatible for Jeep CJ3B 1955-1975 compatible for Jeep CJ5 1955-1975 compatible for Jeep CJ6SpecificationBolt Hole Spacing Length:68mm(Center To Center)Inner Diameter (Intake Side):40mmChoke Air Horn Inner Diameter:48mmChoke Air Horn Outer Diameter:58mmPart Number: 923808, 17701.02 Package Included: 1x carburetor as shown in the picture Notice: Impurity in fuel may cause clogging in the carburetor, please use the clean fuel to ensure the carb work normally, please clean the automobile oil circuit and air filter before you install the carburetor Note-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 us.