Atlantis A2522 Standard PWC Flush Kit Fits: Kawasaki All Year/Model ZXI and STX Allows for easy flushing of the cooling system, keeping it at peak efficiency Cleans system of debris and contaminants including saltwater, sand and sediment Helps prevent accumulation of debris and contaminants Makes using salt elimination treatments, engine flushes, cleaners; and corrosion inhibitors a breeze