Full Top End Set - Polaris Winderosa's wide range of high-tech materials provide reliability and performance for the demanding needs of today's power plants, Fit most current and many non-current engines, including Sachs, JLO, Hirth, CCW, Kohler and Xenoah, Designed to replace OEM gaskets exactly, Many kits now include coated stainless steel head gaskets, High-performance oil seals have a high-chromium-content stainless steel alloy spring for maximum performance and corrosion resistance, Order only what you need for specific maintenance projects, Contains high-performance head and base gaskets, plus intakes and exhaust, as well as upper head components and power valve gaskets, These performance sets are designed for cylinder rebuild and piston , Made in the U.S.A.