## Namura NA-10001-2R Piston Rings 86.47mm - Reliability and Performance Namura NA-10001-2R piston rings with a diameter of 86.47mm are a key component for optimal engine performance. Often overlooked, these rings are fundamental to the efficiency, durability, and performance of the power unit. Namura, known for its high-quality motorcycle and scooter parts, offers piston rings designed for specific applications. ### Fit for Your Vehicle The type of cylinder sleeve, its coating, engine capacity, and piston stroke (2 or 4 stroke) – all these factors influence the selection of the appropriate ring composition. Namura NA-10001-2R guarantee a perfect fit and optimal operation in your motorcycle or scooter. ### Advanced Materials and Technologies Namura uses the highest quality materials, ensuring excellent wear resistance and sealing. #### Compression Rings Made of highly ductile cast iron or stainless steel alloy, they are characterized by exceptional durability. Additional chrome, phosphate, or nitride coatings increase their lifespan and sealing effectiveness. #### Oil Rings The oil ring set consists of three components: two scraper rings made of ductile cast iron or stainless steel (also with chrome, nitride, or phosphate coating) and one expander ring made of stainless steel. This solution guarantees optimal lubrication and minimizes oil consumption. By choosing Namura NA-10001-2R piston rings, you invest in the reliability and longevity of your engine.