MAHLE 3011263 Performance Piston Ring Set Bore Plasma Steel Top Ring - 3.815

The MAHLE 3011263 is a high-performance piston ring set engineered for demanding applications requiring superior durability and sealing. Designed for engines with a 3.815-inch bore diameter, this premium ring set features advanced materials and coatings to maximize performance and longevity.

Key Features:

• Plasma steel top ring with HVOF (High Velocity Oxygen Fuel) molybdenum coating for exceptional wear resistance
• 1.0mm top ring thickness provides optimal sealing while reducing friction
• 0.143-inch radial wall (RW) dimension ensures proper ring strength and durability
• 3.815-inch bore diameter for precise fitment
• Performance-grade construction suitable for high-output and racing applications
• HVOF moly coating resists scuffing and provides superior oil control

MAHLE's plasma steel technology combined with HVOF molybdenum coating delivers a ring set that can withstand extreme cylinder pressures and temperatures while maintaining excellent sealing properties. The thin 1.0mm profile reduces friction losses for improved efficiency without sacrificing ring seal integrity. Ideal for performance rebuilds, racing engines, and high-stress applications where reliability is critical.