NPR SWT20097-0 Piston Ring Set

The NPR SWT20097-0 is an OEM-quality piston ring set manufactured by NPR (Nippon Piston Ring Co., Ltd.), Japan's premier piston ring manufacturer. Engineered to meet or exceed original equipment specifications, this ring set is designed as a direct replacement for worn or damaged factory piston rings.

Key Features:

• Manufactured by NPR (Nippon Piston Ring), a trusted OEM supplier to major Japanese automakers since 1931
• Constructed from high-strength steel or premium cast iron depending on application requirements
• Surface treatments including nitriding or chrome plating for superior wear resistance and durability
• Precision-engineered to provide optimal combustion gas sealing, oil control, heat dissipation, and seizure prevention
• Reduced radial wall thickness design ensures a more complete seal against the ring groove
• Engineered to reduce oil consumption, minimize blow-by, and decrease ring wear
• Direct OEM-specification replacement — no modifications required

Each NPR piston ring set includes the complete ring package — top compression ring, second compression ring, and oil control ring assembly — required for one cylinder. NPR piston rings are a preferred choice among professional engine builders and rebuilders worldwide for their consistent quality, precise sizing, and long service life.