## Namura Piston Rings 64.95mm NA-40000-4R - Reliability and Performance Namura 64.95mm NA-40000-4R piston rings are a key component for optimal engine performance in your motorcycle or scooter. Often overlooked, piston rings play a crucial role in ensuring efficiency, durability, and combustion effectiveness. Namura, a renowned manufacturer of motorcycle parts, offers top-quality piston rings designed for the specific requirements of various engines. ### Precise Fit and Advanced Materials Namura 64.95mm NA-40000-4R piston rings are precisely matched to the piston diameter, guaranteeing a tight seal and minimizing energy loss. The use of high-quality materials, such as ductile cast iron or stainless steel alloy, ensures excellent wear resistance and long-lasting operation. In addition, special coatings like chrome, phosphate, and nitride enhance durability and corrosion resistance. ### Compression Rings - Guaranteed Seal Namura compression rings consist of two elements made of ductile cast iron or stainless steel, coated with chrome, nitride, or phosphate. They provide a tight seal for the combustion chamber, minimizing compression loss and improving engine performance. ### Oil Ring - Optimal Lubrication The oil ring, made of stainless steel, is responsible for proper cylinder lubrication, preventing excessive wear and keeping the engine in excellent condition. ### Why choose Namura piston rings? * **High-quality workmanship:** Namura is a brand known for its attention to detail and precision manufacturing. * **Advanced materials:** The use of modern materials guarantees long-lasting operation and wear resistance. * **Precise fit:** A perfect fit to the piston diameter ensures optimal engine performance. * **Improved performance:** Namura rings contribute to improved performance and combustion efficiency. By choosing Namura 64.95mm NA-40000-4R piston rings, you are investing in the reliability and longevity of your engine.