MAHLE 3011166B Performance Gas Nitrided Piston Ring Set Bore - 4.025

The MAHLE 3011166B is a high-performance piston ring set engineered for precision engine builds requiring a 4.025-inch bore diameter. This professional-grade ring set features advanced gas nitride steel construction, delivering superior wear resistance and extended service life in demanding performance applications.

Key Specifications:

• Bore Size: 4.025 inches
• Top Ring Width: 0.043 inches (1/16")
• Second Ring Width: 0.043 inches (1/16")
• Oil Ring Width: 0.157 inches (5/32")
• Ring Configuration: Plain ring design
• Material: Gas nitrided steel for enhanced durability
• Package: Bulk packaging (RW - race weight)

Performance Features:

• Gas nitride surface treatment provides exceptional hardness and scuff resistance
• Optimized ring tension for improved sealing and reduced friction
• Race weight construction minimizes reciprocating mass
• Precision-manufactured to MAHLE's OEM quality standards
• Suitable for high-performance street, racing, and rebuilt engine applications

MAHLE is a globally recognized manufacturer of premium engine components, trusted by professional engine builders and performance enthusiasts. This ring set delivers the reliability and performance required for serious engine builds.