MAHLE 3011170 Performance Gas Nitrided Piston Ring Set Bore - 4.045

The MAHLE 3011170 is a high-performance piston ring set designed for precision-built engines requiring a 4.045-inch bore diameter. This professional-grade ring set features advanced gas nitriding treatment on steel construction, delivering superior wear resistance and extended service life in demanding performance applications.

Key Specifications:

• Bore Size: 4.045 inches
• Top Ring Width: 0.043 inches
• Second Ring Width: 0.043 inches
• Oil Ring Width: 0.157 inches (3-piece design)
• Material: Gas nitrided steel construction
• Ring Configuration: 1/16" - 1/16" - 5/32" (metric: 1.5mm - 1.5mm - 4.0mm)

Features and Benefits:

• Gas nitriding process creates an extremely hard, wear-resistant surface that maintains dimensional stability under high temperatures
• Precision-engineered ring geometry ensures optimal cylinder sealing and oil control
• Reduced friction design improves engine efficiency and power output
• Professional-grade quality suitable for performance rebuilds, racing engines, and high-output street applications
• Compatible with both naturally aspirated and forced induction engine builds

MAHLE is a world-leading manufacturer of engine components, trusted by professional engine builders and performance enthusiasts for their precision manufacturing and advanced metallurgy. Each ring set is manufactured to exacting tolerances to ensure proper fit, seal, and longevity.