NPR SWF30031-3 Piston Ring Set

The NPR SWF30031-3 is a high-quality piston ring set manufactured by Nippon Piston Ring Co., Ltd., Japan's first piston ring manufacturer established in 1931. This precision-engineered ring set is designed to provide optimal engine performance and longevity through advanced materials and surface treatments.

Key Features:

• Complete piston ring set for one cylinder including compression rings and oil control ring
• Manufactured to meet or exceed JIS (Japanese Industrial Standard) B8032-6-1998 specifications
• Advanced surface treatments including chrome plating, nitriding, or PVD coating for enhanced wear resistance
• Precision-engineered to seal combustion gas, control lubricating oil, and dissipate heat effectively
• Available in steel or cast iron construction depending on application requirements
• Reduces oil consumption and prevents wear under severe operating conditions

NPR piston rings are trusted by original equipment manufacturers worldwide and are designed to meet the demanding requirements of modern high-performance engines. Each ring set undergoes rigorous bench testing to ensure proper fitment and optimal performance for specific engine applications.