NPR SWF20057-0 Piston Ring Set for Subaru Engine - 1.8L EA82

The NPR SWF20057-0 is a precision-engineered piston ring set designed specifically for Subaru 1.8L (1781cc) EA82 horizontally-opposed four-cylinder engines. This complete ring set replaces OEM part number 12033AA000 and provides reliable compression sealing, oil control, and heat dissipation for your Subaru engine rebuild or restoration project.

Key Features:

• Direct replacement for Subaru EA82 1.8L engines found in 1985-1990 models including Brat, GL, GL-10, Leone, Loyale, RX, and XT
• Manufactured by Nippon Piston Ring (NPR), a leading Japanese OEM supplier with decades of engine component expertise
• Advanced surface treatments including chrome plating and nitriding for enhanced wear resistance and durability
• Precision-engineered to seal combustion gases, control lubricating oil, and prevent premature wear
• Manufactured to JIS (Japanese Industrial Standard) specifications for proper fit and performance
• Includes compression rings and oil control rings for one cylinder (complete engine requires four sets)

NPR piston rings are designed to meet the demanding requirements of modern engines with superior sealing properties, reduced friction, and extended service life. Each ring undergoes rigorous quality control and surface treatment processes to ensure optimal performance under severe operating conditions.