MAHLE 3011258 Performance Piston Ring Set Bore Plasma Steel Top Ring - 3.771

The MAHLE 3011258 is a premium performance piston ring set engineered for high-performance engine builds requiring a 3.771-inch bore diameter. This professional-grade ring set features advanced materials and coatings designed to deliver superior sealing, reduced friction, and enhanced durability under demanding conditions.

Key Features:

• Plasma steel top compression ring with 1.0mm radial width for exceptional wear resistance and heat dissipation
• HVOF (High Velocity Oxygen Fuel) molybdenum coating provides superior scuff resistance and reduced break-in time
• 0.143-inch (3.63mm) radial wall thickness for optimal ring stability and sealing pressure
• Precision-manufactured to strict tolerances for consistent cylinder sealing
• Engineered for high-performance, racing, and heavy-duty applications

MAHLE's performance ring sets are designed to withstand extreme cylinder pressures and temperatures while maintaining optimal oil control. The plasma steel construction combined with HVOF moly coating ensures long service life and reliable performance in modified and high-output engines.