Package Contents: 1x Carburetor with gasket , bolts This is a NEW carburetor, not rebuilt. The mounting stud measure 2-1/4 center to center. The throttle bore throat size measures 1-1/16 diameter. The choke air horn (air inlet) measures 1-5/8 OD. The fuel inlet measures 1/8 NPT. The carb mounting gasket is included. --Fit For:For Marvel Schebler TSX428 For Ford Tractor models: 600, 700 (1955-1957) with 134 CID Gas Engine For Ford Tractor models: NAA, NAB, Jubilee Golden, Jubilee. For Ford Jubilee NAA NAB 600 620 630 650 660 700 740 800 850 Tractor For Marvel Schebler TSX428，For Zenith 0-13880 13880 Our carburetors effectively control fuel injection to ensure stable engine operation and improve fuel efficiency. This not only reduces fuel consumption, but also contributes to your financial situation. ASIN B093GS98T2 Brand yue Exterior Zinc Item Weight 1.97 pounds Package Dimensions 6.57 x 4.92 x 4.76 inches Manufacturer Part Number EAE9510C