Flush Kit - Polaris Personal Watercraft (PWC) - Allows easy flushing of cooling system to keep it at peak efficiency - Cleans system of debris and contaminants including saltwater, sand and sediment - Kits designed for specific applications Quick disconnect design makes it easier than ever to flush out your machine, no more water mess in your hull from screwing and un-screwing the garden hose inside the machine. This quick disconnect flush kit comes with a valve that only allows water flow through it when connect to the ski. Fits: MSX140 2003-2004 MSX150 2004 MSX110 2004