This kit contains carburetor, pull recoil Starter, ignition coil, spark plug, air filter, on off stop switch, oil alert unit, fuel tank cap, fuel line, fuel joint, insulator, ,gasket set for carburetor, cylinder head, muffler and insulator, mounting nuts and bolts for ignition coil, carburetor, muffler, oil alert unit. It’s a perfect rebuilding kit for your motor. Fits GX340 GX390 GX420 engine, water pump, pressure washer, compressor and more Fits Harbor Freight Predator 420cc 63083 63082 63966 63964 engine, Go Kart, water pump, pressure washer and more Fits Champion CPE 389cc 420cc 439cc engine, water pump, pressure washer and more Fits Generac 389cc 420cc engine, pressure washer, water pump and more This kit contains carburetor, pull recoil Starter, ignition coil, spark plug, air filter, on off stop switch, gasket sets, fuel line, fuel joint, fuel tank cap, insulator, nuts and bolts. It fits GX340 GX390 GX420 engine, water pump,pressure washer,compressor and other equipment. It fits