MAHLE 3021362 Performance Piston Ring Set Bore Steel Napier - 3.781in 1.0mm

The MAHLE 3021362 is a high-performance piston ring set engineered for precision engine builds requiring a 3.781-inch bore diameter. This professional-grade ring set features advanced steel Napier design for the second compression ring, delivering superior sealing and durability in demanding applications.

Key Specifications:

• Bore diameter: 3.781 inches
• Ring thickness: 1.0mm
• Radial wall thickness: 0.136 inches
• Second ring design: Performance steel Napier profile
• Plain ring set configuration

MAHLE's steel Napier ring design provides enhanced oil control and compression sealing compared to standard cast iron rings. The precise radial wall dimension ensures optimal ring tension for reliable performance across the engine's operating range. This ring set is ideal for performance rebuilds, racing applications, and high-output engine builds where reliability and power are critical.

As a leading OEM and aftermarket piston ring manufacturer, MAHLE produces rings to exacting tolerances using advanced materials and coatings. Each ring set undergoes rigorous quality control to ensure proper fit, seal, and longevity in demanding engine environments.