... Engines Automobile, Truck & Bus Engine Parts United Material Piston Rings: for Automotive & Commercial Vehicles Compression Ring | ... ceramic materials are used for this purpose. Application: Piston Ring Sets: for Automotive & Commercial Vehicle EnginesAutomobile, ... Audi, Volkswagen, Peugeot, Porsche, Toyota, Lexus, Honda, Mazda, Subaru, Mitsubishi, Hyundai, Chevrolet, Chrysler, Ford, Buick, etc. . ...