MAHLE 3011167 Performance Gas Nitrided Piston Ring Set Bore - 4.030

The MAHLE 3011167 is a high-performance gas nitrided steel piston ring set designed for 4.030-inch bore applications. This precision-engineered ring set features advanced gas nitriding treatment that significantly increases surface hardness and wear resistance while maintaining core ductility for superior durability in demanding engine conditions.

Key Specifications:

• Bore Size: 4.030 inches
• Top Ring Thickness: .043 inch
• Oil Ring Thickness: .157 inch
• Ring Configuration: RW (Reverse Twist)
• Material: Gas Nitrided Steel
• Application: Performance engine builds

Features and Benefits:

• Gas nitriding process creates extremely hard, wear-resistant surface layer
• Improved ring seal and compression retention
• Enhanced resistance to scuffing and wear under high-performance conditions
• Reduced friction for improved power output
• Reverse twist design promotes proper ring seating and oil control
• Precision-manufactured to MAHLE's OE quality standards

MAHLE's gas nitriding technology provides superior performance characteristics compared to standard chrome rings, making this ring set ideal for performance street engines, racing applications, and high-stress rebuilt engines. The plain ring design offers excellent conformability to cylinder walls while the gas nitride treatment ensures long-term durability.