MAHLE 4315MS Piston Ring Set Bore File Fit - 4.310 1/16 1/16 3/16

The MAHLE 4315MS piston ring set is engineered for 4.310" bore engines with a +.005" oversize tolerance and file-fit design for precise end gap adjustment. This standard tension ring set features the proven 1/16", 1/16", 3/16" configuration widely used in performance and racing applications.

Ring Configuration:

• Top Ring: Ductile iron construction with plasma moly coating and barrel face profile for optimal sealing and wear resistance
• Second Ring: Cast iron reverse twist design to control oil and enhance combustion sealing
• Oil Ring: 3-piece standard tension design for effective oil control

MAHLE Performance Technology:

• Ultra-flat ring flanks maximize ring-to-groove sealing and reduce blow-by
• Advanced piston ring simulation and computer modeling minimize friction for measurable horsepower gains
• Plasma moly coating provides superior scuff resistance during break-in and extended durability
• File-fit design allows precise end gap tuning for your specific application

MAHLE piston rings are the choice of professional engine builders and racers who demand maximum performance and reliability. Each ring set is manufactured to exacting tolerances using advanced materials and coatings proven on dynos and race tracks worldwide.