CARB CARBURETOR REBUILD KIT FOR HOMELITE XL-12 SXL OLEOMAC MCCULLOCH ZAMA RB-15 Superior Quality Aftermarket Carburetor Rebuild Kit Made to meet or exceed OEM specifications. Replaces Zama RB-15 Complete kit, includes diaphram, welch plug, screen, needle & inlet lever. OK for use with fuel containing up to 25% Ethanol