Upgrade your diesel engine's performance with the MAHLE Original/CLEVITE Piston Ring Set designed specifically for 6.6L GM Duramax engines. This complete kit features high-quality piston rings with a 4.095-inch bore, ensuring a precise fit and reliable operation. Crafted from ductile iron and coated with plasma moly, these rings provide excellent wear resistance and durability under demanding conditions. The set includes standard tension rings with dimensions of 3.0 mm x 2.0 mm x 3.0 mm thick, optimized for efficient sealing and engine compression. Engineered for drop-in installation, this kit simplifies the repair process and reduces downtime, making it ideal for professional rebuilds or maintenance projects.