MAHLE 4315MS-15-1 Standard Tension Piston Ring Set 4.310" Bore

The MAHLE 4315MS-15-1 is a premium standard tension piston ring set designed for high-performance engine builds. Engineered with a 4.310-inch bore diameter and file-fit capability up to 4.315 inches, these rings offer precise fitment for custom engine applications.

Key Features:

• Standard tension design for reliable sealing and oil control
• 4.310-inch nominal bore diameter with file-fit adjustment to 4.315 inches
• Precision-manufactured to MAHLE's OE quality standards
• Suitable for performance and stock replacement applications
• Includes top compression ring, second compression ring, and oil control ring assembly

MAHLE piston rings feature advanced materials and coatings to reduce friction, improve sealing, and extend engine life. The file-fit design allows engine builders to precisely gap the rings for optimal performance and compression control. These rings are engineered to withstand high cylinder pressures and temperatures while maintaining consistent oil control throughout the engine's operating range.