## Namura NA-50002R Piston Rings 82.94mm - Reliability and Performance for Your Engine The Namura NA-50002R piston rings with a diameter of 82.94mm are a key element in ensuring optimal performance, efficiency, and longevity of your motorcycle or scooter engine. Often overlooked, piston rings play a fundamental role in sealing the combustion chamber and controlling oil consumption. Namura, a renowned manufacturer of motorcycle parts, delivers a top-quality product designed for the specific requirements of your vehicle. ### Advanced Materials and Technologies Namura NA-50002R utilizes advanced materials and technologies to meet demanding operating conditions. The type of cylinder liner, its coating, engine size, and piston stroke (2 or 4 stroke) – all these factors have been considered in selecting the optimal composition of the rings. ### Compression Rings Made of highly ductile cast iron or stainless steel alloy, the compression rings are characterized by excellent wear resistance and provide a tight seal of the combustion chamber. Additional chrome, phosphate, and nitride coatings enhance their durability and effectiveness. ### Oil Control Rings The oil ring set consists of three components: two scraper rings made of highly ductile cast iron or stainless steel, coated with chrome, nitride, or phosphate, and one expander ring made of stainless steel. This design ensures precise oil metering, minimizing its consumption and preventing it from entering the combustion chamber. ### Namura Brand - Guarantee of Quality By choosing Namura NA-50002R piston rings, you are investing in proven quality and reliability. Namura is a brand recognized among motorcyclists, synonymous with durability and precision. ### Specifications: * Piston Diameter: 82.94mm * Brand: Namura * Model: NA-50002R