## Namura NA-10012-2R Piston Rings 102.47mm - Reliability and Performance Namura NA-10012-2R piston rings with a diameter of 102.47mm are a key element in ensuring optimal engine performance. Although often overlooked, these rings are fundamental to engine efficiency, durability, and performance. Namura, known for producing high-quality motorcycle and scooter parts, designs its rings with the utmost care, adapting them to specific applications. ### Materials and Construction The materials used to manufacture piston rings are crucial to their effectiveness. Namura uses exceptionally durable materials such as ductile cast iron and stainless steel alloys to ensure excellent wear resistance and a tight seal. Additionally, depending on the model, the rings may be coated with chrome, phosphate, or nitride, which further increases their lifespan. ### Piston Rings Diameter [mm]: 102.47mm The precise diameter of 102.47mm guarantees a perfect fit and optimal performance. This size is adapted to specific engine models, ensuring their smooth and efficient operation. ### Why choose Namura piston rings? - High-quality materials and precise construction - Excellent wear resistance and sealing - Increased engine life - Optimal performance - The Namura brand guarantees quality and reliability