very durable Carburetor/Carb Engine Replacement Upgrade Assembly Fit For Tecumseh 640260 640260A 640260B 632689 HM 80 85 90 100 ship by USPS.usually take 2-5 working days arrived replacement carburetor/carb. Package included:1 X Carburetor Kit Material:Zinc alloy Replaces Tecumseh:640260 640260A 640260B 632689 Fits MANY HM80 HM85 HM90 HM100 LH318XA LH358XA LH358EA Engines