MAHLE 3010506B Piston Ring Set Bore Plasma-Moly - 4.000 1.5mm

The MAHLE 3010506B is a high-performance piston ring set engineered for 4.000-inch bore engines, featuring advanced 1.5mm plasma-moly steel top ring technology. This complete ring set is designed to provide superior sealing, reduced friction, and enhanced durability in performance and racing applications.

Key Features:

• 4.000" (101.6mm) bore diameter
• 1.5mm plasma-moly inlaid steel top ring for exceptional wear resistance
• Positive-twist ductile iron barrel-faced design maximizes cylinder sealing
• Premium 3-piece oil control ring for optimal lubrication management
• Standard tension configuration for reliable performance
• Designed to seal combustion chamber and prevent blow-by

Performance Benefits:

MAHLE's plasma-moly coating technology provides superior bonding strength, increased scuff resistance, and extended service life compared to conventional coatings. The precision-engineered ring profiles minimize friction losses while maintaining excellent compression sealing, helping to preserve engine power and efficiency. The barrel-faced top ring design promotes rapid seating and optimal oil control throughout the operating range.

This ring set is ideal for engine rebuilds, performance upgrades, or replacement when experiencing symptoms like excessive oil consumption, loss of compression, or increased blow-by. MAHLE's decades of OEM experience and racing heritage ensure this ring set meets the demanding requirements of both street and performance applications.

Application Note: Verify bore size and ring specifications match your engine requirements before installation. Proper ring gap measurement and installation procedures are critical for optimal performance and longevity.