MAHLE 3011057 Performance Piston Ring Set Bore Plasma Steel Top Ring - 4.025 1.0mm

The MAHLE 3011057 Performance Piston Ring Set is engineered for high-performance engine builds requiring precision and durability. This premium ring set features a 4.025-inch bore diameter and is designed for demanding applications where reliability under extreme conditions is critical.

Key Features:

• Plasma steel top ring with advanced 1.0mm radial width for improved sealing and reduced friction
• HVOF (High Velocity Oxygen Fuel) molybdenum coating provides exceptional wear resistance and scuff protection
• 0.143-inch radial wall thickness ensures structural integrity under high cylinder pressures
• 4.025-inch bore diameter precision-manufactured to exacting tolerances
• Performance-grade construction suitable for racing, forced induction, and high-output applications
• Engineered to maintain ring tension and sealing performance throughout extreme operating conditions

MAHLE's advanced ring manufacturing technology combines superior materials with precision engineering to deliver optimal compression sealing, oil control, and longevity. The HVOF moly coating on the top ring face provides a hard, dense surface that resists wear while promoting proper break-in and long-term durability.