## Namura NA-20070-2R Piston Rings 82.46mm - Reliability and Performance Namura NA-20070-2R piston rings with a diameter of 82.46mm are a key element for optimal engine performance in your motorcycle or scooter. Often overlooked, piston rings play a vital role in ensuring efficiency, durability, and a tight seal. Namura, a renowned manufacturer of motorcycle parts, offers piston rings designed to meet the specific requirements of various engines. ### Advanced Materials and Technologies Namura utilizes high-quality materials and advanced technologies in the production of its piston rings. Both compression and oil rings are made of highly wear-resistant materials such as ductile iron or stainless steel alloy. In addition, chrome, phosphate, and nitride coatings enhance their durability and effectiveness. ### Compression Rings - Sealing and Performance Namura compression rings provide excellent sealing, minimizing pressure loss in the cylinder and maximizing engine performance. Their precise manufacturing guarantees a perfect fit to the cylinder liner, resulting in smooth and trouble-free operation. ### Oil Rings - Lubrication Control Namura oil rings consist of three components: two scraper rings and one expander ring. The scrapers, made of ductile iron or stainless steel, effectively remove excess oil, preventing it from entering the combustion chamber. The expander ring, made of stainless steel, ensures even oil distribution on the cylinder walls, minimizing friction and wear. ### Namura - Guarantee of Quality By choosing Namura NA-20070-2R piston rings, you are investing in quality and reliability. The Namura brand is synonymous with precision, innovation, and attention to detail. This ensures that your engine will operate optimally for a long time.