Carburetor Rebuild Repair Kit For Walbro K24-HDA, Complete Kit, Compatible With Up to 25% Ethanol in Fuel. Quality Aftermarket Carburetor Rebuild Kit Made to meet or exceed OEM specifications. Rebuild kit for Walbro K24-HDA Complete kit, includes welch plug, screen, needle & inlet lever. OK for use with fuel containing up to 25% Ethanol