MAHLE 3011066B Performance Piston Ring Set Bore Steel Top Ring - 4.125 1.0mm

The MAHLE 3011066B is a high-performance piston ring set engineered for demanding applications requiring superior durability and sealing. This ring set features a plasma steel top ring with advanced HVOF (High Velocity Oxygen Fuel) molybdenum coating, designed to withstand extreme temperatures and pressures while minimizing friction and wear.

Key Specifications:

• Bore diameter: 4.125 inches
• Top ring thickness: 1.0mm
• Radial wall thickness: 0.143 inches
• HVOF moly coating for enhanced wear resistance
• Performance plasma steel construction
• Bulk packaging for professional engine builders

MAHLE's plasma steel top rings deliver exceptional tensile strength and heat resistance, making them ideal for high-performance street, racing, and marine applications. The HVOF molybdenum coating provides a hard, durable surface that reduces friction during break-in and maintains optimal sealing throughout the engine's service life. This ring set is designed for precision fitment and reliable compression sealing in rebuilt or performance engines.