COMES WITH INSTRUCTIONS, EASY TO INSTALL FITS ALL YEAR KAWASAKI ZXI & STX ALLOWS YOU TO RUN YOUR MACHINE ON A GARDEN HOSE AND FLUSH OUT ANY HARMFUL DEPOSITS LEFT IN YOUR COOLING SYSTEM BY LAKE/ OCEAN WATER. 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.