MAHLE 3011018B Performance Plasma Moly Piston Ring Set Bore - 4.040

The MAHLE 3011018B is a high-performance piston ring set engineered for demanding applications requiring superior sealing and durability. This precision-manufactured ring set features a 4.040-inch bore diameter and is designed for engines seeking enhanced performance and reliability.

Key Features:

• Plasma moly steel top compression ring for exceptional wear resistance and heat dissipation
• 4.040-inch bore diameter with 0.0625-inch (1/16-inch) ring thickness
• 0.190-inch radial wall thickness for robust construction
• RW (reverse twist) moly ring design promotes proper oil control and ring seating
• Premium MAHLE engineering ensures precise tolerances and consistent performance
• Plasma-moly coating reduces friction while providing superior scuff resistance

MAHLE piston rings are trusted by engine builders and performance enthusiasts worldwide for their quality construction and proven durability. The plasma moly coating on the top compression ring provides a hard, low-friction surface that withstands extreme cylinder pressures and temperatures, making this ring set ideal for performance rebuilds, racing applications, and high-output street engines.