## Piston Rings 100.44mm Namura NA-50019-6R - Reliability and Performance Namura NA-50019-6R piston rings with a diameter of 100.44mm are a key element ensuring the optimal performance of your motorcycle or scooter engine. Although often overlooked, piston rings play a vital role in ensuring engine efficiency, sealing, and longevity. Namura, a renowned manufacturer of motorcycle parts, designs its rings for specific applications, taking into account the type of cylinder liner, liner coating, engine size, and stroke type (2 or 4). ### Advanced Materials and Technologies The selection of appropriate materials is key to success. Namura NA-50019-6R rings are made of highly durable alloys, guaranteeing wear resistance and excellent sealing. ### Compression Rings Made of highly ductile cast iron or stainless steel alloy, they provide excellent wear resistance and a tight seal. Additional chrome, phosphate, or nitride coatings enhance their durability and resistance to extreme temperatures. ### Oil Rings The oil ring set consists of three components: two scraper rails made of highly ductile cast iron or stainless steel, coated with chrome, nitride, or phosphate, and a single expander ring made of stainless steel. Their task is to effectively scrape off excess oil, preventing it from entering the combustion chamber. ### Namura Brand Quality By choosing Namura NA-50019-6R piston rings, you invest in quality and reliability. Precision manufacturing and the use of advanced technologies guarantee long-lasting and trouble-free operation of your engine.