MAHLE 3011218 Performance Piston Ring Set Bore - 4.085 1/16 1/16 3mm

The MAHLE 3011218 is a high-performance piston ring set designed for 4.085-inch bore applications. This premium ring set features advanced materials and coatings engineered to deliver exceptional sealing, reduced friction, and extended durability in high-performance and racing engines.

Key Features:

• 4.085-inch bore diameter for precise fitment
• Top ring: 1/16-inch (1.5mm) with plasma-moly face coating for superior wear resistance
• Second ring: 1/16-inch (1.5mm) with D-Wall (ductile iron) construction
• Oil ring: 3mm (approximately .190-inch) standard tension design
• Chrome ring construction for maximum durability
• Steel UCR (Under Cut Rectangular) profile for improved oil control
• Plasma-moly coating reduces friction and prevents scuffing during break-in
• Low-tension design minimizes friction losses while maintaining excellent cylinder sealing

MAHLE is a world-leading manufacturer of engine components, and their piston rings are engineered to OE specifications and beyond. This ring set is ideal for performance rebuilds, racing applications, and high-output street engines where reliability and power are critical. The advanced coatings and materials provide superior sealing characteristics while reducing parasitic power loss from friction.