NPR SDF30022-3 Piston Ring Set

The NPR SDF30022-3 is a precision-engineered piston ring set designed to deliver reliable performance in demanding engine applications. Manufactured by Nippon Piston Ring (NPR), a leading Japanese producer of engine components with decades of experience in original equipment and aftermarket parts.

Key Features:

• Precision manufacturing to JIS (Japanese Industrial Standard) specifications
• Advanced materials including high-alloy steel or cast iron construction
• Surface treatments for enhanced wear resistance and durability
• Designed to seal combustion gases, control oil, and dissipate heat
• Optimized ring tension for proper sealing and reduced friction
• Quality engineered for both OEM and aftermarket applications

NPR piston rings are designed to meet the severe operating conditions of modern engines, providing proper sealing, reduced oil consumption, and extended service life. Each ring set is manufactured with tight tolerances to ensure optimal performance and engine longevity.