MAHLE 4605ML Bore File Fit Piston Ring Set - 4.600 1/16 1/16 3/16

The MAHLE 4605ML piston ring set is engineered for 4.600" bore engines with a +.005" oversize tolerance and file-fit design for precise end gap tuning. This low-tension ring pack features a 1/16", 1/16", 3/16" configuration optimized to reduce friction and unlock free horsepower on the dyno and track.

Ring Configuration:

• Top ring: Ductile iron with plasma moly coating and barrel face profile for superior sealing and wear resistance
• Second ring: Cast iron with reverse twist design to enhance oil control and combustion sealing
• Oil ring: 3-piece low-tension design for optimized oil control with minimal friction

Key Features:

• File-fit ends allow custom gap fitting for precise engine tolerance matching
• Low-tension design minimizes friction losses for improved power output
• Ultra-flat ring flanks maximize ring-to-piston groove sealing
• Developed using advanced piston ring simulation and computer modeling
• Plasma moly top ring coating provides exceptional durability under high-performance conditions

MAHLE's precision engineering and advanced materials make this ring set ideal for performance rebuilds, racing applications, and high-output street engines where maximizing horsepower and maintaining optimal cylinder sealing are critical.