Wiseco forged piston kit for Kawasaki 440's including Liquifire, Trailfire, and Sportfire. This kit comes with piston, rings, wrist pin, and circlips. In the ring package, you will see a disclaimer stating that the rings are not for chrome bore, but this is incorrect. The CDM rings are correct for the chrome bore. If you have nikasil plated cylinders, please contact us, and we can order the correct ring set with your piston kit.