MAHLE 3010973 Plasma Moly Piston Ring Set Bore - 4.010 1.5mm 1.5mm 3.0mm

The MAHLE 3010973 piston ring set is engineered for high-performance engine rebuilds requiring a 4.010-inch bore diameter. This premium ring set features advanced plasma-moly coating technology for superior wear resistance and extended service life.

Key Specifications:

• Bore diameter: 4.010 inches
• Top ring: 1.5mm plasma moly-faced steel construction
• Second ring: 1.5mm with reverse twist (RW) design
• Oil ring: 3.0mm standard tension
• Plasma moly coating for reduced friction and improved sealing
• Steel construction for durability under high-stress conditions

MAHLE piston rings are manufactured to OE specifications and undergo rigorous quality control testing. The plasma moly face coating provides excellent scuff resistance during break-in and maintains consistent sealing throughout the engine's service life. The reverse twist second ring design enhances oil control and reduces blow-by. This ring set is ideal for performance builds, racing applications, and professional engine rebuilds where precision and reliability are critical.