## Namura NA-50004-6R Piston Rings 93.47mm - Reliability and Performance for Your Engine Namura NA-50004-6R piston rings with a diameter of 93.47mm are a key element for ensuring optimal operation, efficiency, and longevity of your motorcycle or scooter engine. Although often overlooked, piston rings play a fundamental role in sealing the combustion chamber and controlling oil consumption. Namura, a renowned manufacturer of motorcycle parts, offers piston rings designed for specific applications, guaranteeing a perfect fit and the highest quality. ### Advanced Materials and Technologies Namura NA-50004-6R utilize carefully selected materials, such as highly ductile cast iron and stainless steel alloys, ensuring excellent wear resistance and sealing. Additionally, depending on the model, the rings can be coated with chrome, phosphate, or nitride, further enhancing their durability and corrosion resistance. The type of cylinder sleeve, sleeve coating, engine size, and stroke (2 or 4 stroke) - all these factors are taken into account when designing Namura rings to ensure optimal performance in all conditions. ### Compression Rings Namura NA-50004-6R compression rings guarantee a tight seal of the combustion chamber, maximizing compression and engine power. Made of highly ductile cast iron or stainless steel alloy, they are characterized by excellent wear resistance and provide long-lasting, reliable operation. ### Oil Rings Namura NA-50004-6R oil rings consist of three components: two scraper rails made of highly ductile cast iron or stainless steel alloy, coated with chrome, nitride, or phosphate, and a single expander ring made of stainless steel. This design ensures precise oil metering, minimizing oil consumption and preventing it from entering the combustion chamber. By choosing Namura NA-50004-6R piston rings, you are investing in the quality, performance, and longevity of your engine.