NPR SWI10197-3 Engine Piston Ring Set GM Vortec V8

The NPR SWI10197-3 is a premium engine piston ring set engineered for GM Vortec V8 applications. Manufactured by NPR (Nippon Piston Ring), a globally recognized leader in piston ring technology, this set is designed to deliver OE-level performance and durability in both stock rebuilds and high-mileage engine restoration applications.

Key Features:

• OE-Quality Construction: Manufactured to meet or exceed original equipment specifications for reliable, long-lasting engine performance
• Multi-Function Sealing: Piston rings seal combustion gases, control lubricating oil film, dissipate heat, and prevent wear and seizure under demanding operating conditions
• Advanced Surface Treatments: Rings undergo surface treatments including nitriding and/or chrome plating to enhance wear resistance and durability
• Steel Ring Technology: High-alloy steel construction provides superior tensile strength, reduced ring mass, and improved fatigue life compared to traditional cast iron rings
• Precise Fit: Engineered to JIS (Japanese Industrial Standard) B8032-6-1998 specifications for accurate end gap and groove fitment
• Complete Set: Includes compression rings and oil control ring components for a full engine ring replacement

Cross-Reference Part Numbers: SWI10197, 2M4860, C10218, E939K, 41785CP, PR3104, 12456342, 12522848, 88894243

NPR piston rings are trusted by engine builders and professional technicians worldwide. The SWI10197-3 is an ideal choice for engine rebuilds requiring precision-fit components that restore compression, reduce oil consumption, and extend engine service life.