The Genuine Porsche Engine Piston Ring Set - 98710305302 is a set of piston rings designed specifically for Porsche engines. These rings are made from high-quality materials and are designed to provide a tight seal between the piston and cylinder wall, preventing any leakage of combustion gases. This set includes all the necessary rings for a complete engine rebuild, ensuring optimal performance and longevity. These piston rings are genuine Porsche parts, ensuring a perfect fit and compatibility with your vehicle.