New Zenith 13913 Carburetor is used on 158 cu in engine in Ford 2000 tractor industrial Ford part E1NN-9510-AA. Replaces many Holley carbs. Wholesale priced for Mechanics, Center to center on the 2 mounting bolts is 2 11/16 inches. Wholesale priced for Business, and Resellers. Made in USA. 1 year warranty. 0-13913B 267LCX9.