Athena offers the most complete range of gaskets and gasket sets for every make and model of motorcycle, jet-ski, snow-mobile and outboard in the world. The quality of Athena's gaskets replaces and exceeds the seal offered by the original products. Athena's extensive experience gained in supplying most prestigious O.E.M. motorcycle manufacturers has brought to their R&D technicians the skills necessary to make their exclusive high-quality material compounds. Aluminum cylinder with nickel-carbide coating designed with wider water jackets. Forged piston with molybdenum coating. Special gasket kit meets or exceeds O.E.M. specifications. Includes: Cylinder, piston, piston pin, piston pin rings, gasket kit. Sold as a kit.