## Namura Piston Rings 87.43mm NA-50012-2R - Reliability and Performance for Your Engine Namura 87.43mm NA-50012-2R piston rings are a key component ensuring optimal performance, efficiency, and longevity of your motorcycle or scooter engine. Often overlooked, their quality significantly impacts compression, oil consumption, and overall engine performance. Namura, a renowned manufacturer of motorcycle parts, provides piston rings designed for precision and durability. ### Advanced Materials and Technologies Namura utilizes carefully selected materials and advanced technologies to guarantee the highest quality of its piston rings. Both compression and oil rings are made of highly durable alloys, resistant to wear and ensuring a tight seal. The 87.43mm piston diameter guarantees a perfect fit for corresponding engine models. ### Compression Rings Namura compression rings, made of ductile cast iron or stainless steel alloy, are characterized by excellent wear resistance and provide a tight seal, minimizing compression loss. Additionally, chrome, phosphate, and nitride coatings enhance their durability and corrosion resistance. ### Oil Rings Namura oil rings consist of three components: two scraper rings made of ductile cast iron or stainless steel, and one expander ring made of stainless steel. Chrome, nitride, or phosphate coatings on the scraper rings prevent excessive wear and ensure optimal lubrication, protecting the cylinder from seizing. ### Namura Brand - Guarantee of Quality By choosing Namura 87.43mm NA-50012-2R piston rings, you invest in quality and reliability. The Namura brand is synonymous with precision, innovative solutions, and attention to detail, which translates to long and trouble-free operation of your engine.