MAHLE 3150221 Moly Ring Set 89.0mm 1.0/1.2/2.8mm High Velocity Performance Piston Rings

The MAHLE 3150221 is a high-performance molybdenum-coated piston ring set engineered for demanding metric applications. This precision-manufactured ring set features an 89.0mm bore diameter with a three-ring configuration designed for optimal sealing and durability in performance engine builds.

Key Specifications:

• Bore Diameter: 89.0mm (3.504 inches)
• Ring Widths: 1.0mm top compression ring, 1.2mm second compression ring, 2.8mm oil control ring
• High Velocity (HV385) performance design for increased engine speeds
• Molybdenum-coated face for superior wear resistance and reduced friction
• Standard tension drop-in design for easy installation
• Metric sizing for European and Asian engine applications

Features and Benefits:

• Premium molybdenum coating provides excellent scuff resistance during break-in and extends ring life
• Standard tension design maintains proper cylinder wall contact without excessive friction
• Precision-machined ring gaps ensure optimal compression and oil control
• Drop-in fitment simplifies installation in compatible pistons
• MAHLE OE quality engineering for reliable performance

This ring set is ideal for performance rebuilds, racing applications, and high-RPM engines where durability and precise sealing are critical. MAHLE's advanced metallurgy and coating technology deliver professional-grade reliability for enthusiasts and professional engine builders.