MAHLE 3011069B Performance Piston Ring Set Bore Plasma Steel Top Ring - 4.140 1.0mm

The MAHLE 3011069B is a high-performance piston ring set engineered for demanding applications requiring superior durability and sealing. This ring set features a 4.140-inch bore diameter with a premium 1.0mm plasma steel top ring, designed to withstand extreme cylinder pressures and temperatures in performance and racing engines.

Key Features:

• Plasma steel top compression ring with advanced material technology for maximum strength and wear resistance
• HVOF (High Velocity Oxygen Fuel) molybdenum coating provides exceptional scuff resistance and faster break-in
• 4.140-inch bore diameter suitable for performance big block applications
• 1.0mm top ring thickness reduces friction while maintaining excellent sealing
• 0.143-inch radial wall thickness (RW) for optimal ring stability
• Bulk packaging for engine builders and professional installers

MAHLE's plasma steel technology and HVOF moly coating deliver professional-grade performance for high-horsepower builds, forced induction applications, and racing engines where ring durability is critical. The reduced-tension design improves horsepower output while the advanced coatings ensure reliable sealing throughout the engine's operating range.