Float Valve Kit / Tecumseh 631021BPack Size:1Tecumseh 631021B, Tecumseh 631021A, Tecumseh 631021NHC 631021B, Oregon 49-025, Oregon 49-916, Rotary 1434Tecumseh H30, HMSK, HSSK, LEV, LH, LV, OH195, OHH, OHM120, OVRM120, V40, V50, V60, VM80 and VM100Ethanol: Not compatible with greater than 10% ethanol fuel, For float carburetors