Feature: 1. OE Number: The tractor carburetor replacement original equipment part number is EAE9510D, B4NN9510A, TSX580 for reference to assist you easily find exactly what you need. 2. Ideal Application: The carburetor is replacement for Ford 600 620 630 640 650 660 700 740 800 820 840 850 860 900 950 960 NAA Tractor 134 Cubic Inch Engine 1955‑1957. 3. Higher Running Performance: The carburetor can achieve the appropriate ratio of air and fuel mixture to offer great power and torsion, making your engine run more efficiently. 4. Premium Metal Construction: Heavy duty tractor carburetor is made of high quality metal materials with fine workmanship, highly rustproof in gas fluid circumstance. 5. Easy to Install: The tractor carburetor is strictly designed according to the original standards for exact match, undergone extensive quality tests to ensure strong durability. Specification: Item Type: Tractor Carburetor Material: Metal OE: EAE9510D, B4NN9510A, TSX580 Mounting Studs Center to Center: Approx. 2-1/4in / 5.72cm Throttle Body Throat Diameter: Approx. 1-1/16in / 2.7cm Choke Horn Air Intake OD: Approx. 1-5/8in / 4.13cm Choke Coil Air Horn Inlet ID: Approx. 1.3in/ 3.3cm Fuel Inlet: 1/8in NPT Fitment: Replacement for Ford 600 620 630 640 650 660 700 740 800 820 840 850 860 900 950 960 NAA Tractor 134 Cubic Inch Engine 1955-1957.. Package List: 1 x Carburetor3 x Gasket2 x Bolt2 x Nut1 x Air Filter1 x Nozzle Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!