MAHLE 4095MDR Motorsport Diesel Piston Ring Set 4.095in Bore DMAX Steel 8-Cylinder

The MAHLE 4095MDR is a Motorsport diesel piston ring set engineered for high-performance and heavy-duty Duramax (DMAX) 8-cylinder diesel applications. Designed for a 4.095-inch bore diameter, this ring set is built to exacting tolerances using premium steel construction, making it well-suited for performance engine builds, engine rebuilds, and sportsman-class diesel racing.

MAHLE Motorsport's diesel ring sets are part of the brand's high-volume shelf stock program, developed to bring professional-grade engine components to enthusiasts and engine builders alike. The MDR (Motorsport Diesel Ring) line features ring configurations optimized for diesel combustion dynamics, delivering superior sealing, reduced blow-by, and improved compression retention under the extreme cylinder pressures associated with diesel performance applications.

Key Features:

• Bore Size: 4.095 inches — engineered for precision fitment in DMAX diesel engine applications
• Material: High-strength steel construction for durability under diesel operating conditions
• Ring Configuration: 1/16, 2.0, 3.0mm ring pack — optimized for diesel combustion sealing
• Application: 8-cylinder Duramax (DMAX) diesel engine platform
• Single cylinder set — allows builders to order exactly what they need
• Manufactured to MAHLE Motorsport's strict quality and dimensional standards
• Suitable for performance builds, engine rebuilds, and diesel racing applications

MAHLE is a globally recognized OEM and aftermarket supplier with over 100 years of engineering excellence in engine components. The 4095MDR ring set reflects MAHLE's commitment to precision manufacturing and performance reliability for diesel powerplants.