MAHLE 3021319 Performance Piston Ring Set Bore Steel Napier Ring - 3.2087 1.2mm 2nd

The MAHLE 3021319 is a high-performance piston ring set engineered for precision engine builds requiring superior sealing and durability. This specialized ring set features a steel Napier-style second ring design optimized for enhanced oil control and combustion sealing in performance applications.

Key Specifications:

• Bore diameter: 3.2087 inches (81.5mm)
• Ring width: 1.2mm
• Radial wall thickness: 0.135 inches
• Plain ring configuration
• Performance-grade steel Napier second ring

MAHLE piston rings are manufactured to OE specifications with precision tolerances, ensuring optimal ring seal, reduced blow-by, and consistent performance. The steel Napier design provides excellent conformability to cylinder walls while maintaining tension for reliable oil control throughout the engine's operating range. This ring set is ideal for performance rebuilds, racing applications, and high-output engines where precise ring specifications are critical.