NPR 10-853-4 Piston Set with Rings

The NPR 10-853-4 is a precision-engineered piston set manufactured by Nippon Piston Ring (NPR), a leading Japanese manufacturer of high-quality engine components. This piston set is designed to meet stringent OEM specifications and deliver reliable performance in demanding engine applications.

Key Features:

• Complete piston set with matching piston rings included
• Manufactured to Japanese Industrial Standard (JIS) specifications
• Advanced surface treatments for enhanced wear resistance and durability
• Molybdenum-coated skirts for reduced friction and tighter cylinder wall clearances
• Anodized piston heads for superior heat dissipation
• Precision-engineered for optimal compression and combustion sealing

NPR Quality Advantages:

• Steel piston rings offer 50% longer service life compared to traditional cast iron
• Reduced oil consumption by over 30% through improved sealing
• Enhanced wear resistance with nitriding and PVD surface treatments
• Thinner, lighter ring design for complete ring groove sealing
• Superior conformability to less-than-perfect cylinder bores

NPR pistons and rings undergo rigorous bench testing in cooperation with original equipment manufacturers to ensure proper matching to engine specifications. Each component is crafted from industry-leading materials using advanced manufacturing techniques to provide trouble-free, consistent performance and extended service life.