MAHLE 3011212 Plasma-Moly Piston Ring Set 4.620" Bore 1/16" x 1/16" x 3/16"

The MAHLE 3011212 is a high-performance piston ring set engineered for 4.620-inch bore engines, featuring advanced plasma-moly steel top compression ring technology for superior durability and wear resistance. This professional-grade ring set utilizes a plasma-moly inlaid coating on the steel top ring that provides excellent scuff resistance and extended service life in demanding performance applications.

Key Specifications:

• Bore Size: 4.620 inches
• Ring Thickness: 1/16" x 1/16" x 3/16" configuration
• Top Ring: Plasma-moly coated steel construction
• Radial Wall Thickness: 0.190 inches
• Design: Reduced wall thickness for lower friction and improved performance

Performance Features:

• Steel top compression ring with plasma-moly inlay coating for maximum durability
• Barrel-faced contact area for efficient compression sealing
• Optimized ring tension for reduced friction and improved power output
• Three-piece oil control ring assembly for superior oil management
• Pre-lapped rings for quick seating and minimal break-in time

This MAHLE ring set is designed for performance rebuilds and racing applications where reliability and power output are critical. The plasma-moly coating provides a self-lubricating surface that resists scuffing while maintaining excellent cylinder wall sealing throughout the engine's RPM range.