This is a NOS OEM Kawasaki Jet Ski 1982 thru 1985 JS550 cylinder. Part number 11005-3030 shows for the 1982 thru 1985. It still has the factory applied cosmoline coating all over it so it has zero rust. It is wrapped in a plastic bag within a plastic bag. The original Kawasaki box is shot so it will be shipped in a new box with styrofoam on all six sides to protect it in shipment. Weighs 13 lbs. boxed up. Check out my other listings. I ship worldwide.