Carburetor / Tecumseh 640260BPack Size:1Tecumseh 640260A, Tecumseh 640260B, Tecumseh 632689Oregon 50-656, Rotary 13155Tecumseh Most HM100, HM80, and LH358Ethanol: Not compatible with greater than 10% ethanol fuel, Gasket included, Not for go-kart applications