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

The MAHLE 3011066 is a high-performance piston ring set engineered for demanding applications requiring superior durability and sealing. This premium ring set features a 4.125-inch bore diameter and is designed to deliver exceptional performance in modified and racing engines.

Key Features:

• Plasma steel top compression ring with advanced metallurgy for extreme heat and pressure resistance
• 1.0mm (0.039") ultra-thin top ring profile reduces friction and improves ring seal dynamics
• HVOF (High Velocity Oxygen Fuel) molybdenum coating on face provides exceptional wear resistance and scuff protection
• 0.143-inch radial wall thickness (RW) ensures optimal ring tension and conformability
• Premium materials and precise manufacturing tolerances for consistent performance
• Complete ring set includes top compression, second compression, and oil control rings

MAHLE is a world-leading manufacturer of engine components, and their performance ring sets are trusted by professional engine builders and racers worldwide. The plasma steel construction and HVOF moly coating make this ring set ideal for high-horsepower applications, forced induction engines, and competition use where reliability under extreme conditions is critical.