Upgrade your engine with the Piston Ring Set - Moly 6.6L GM Duramax by MAHLE ORIGINAL/CLEVITE. These diesel piston rings are designed for optimal performance and longevity, fitting 4.085-inch bores seamlessly. The drop-in design with 3.0 x 2.0 x 3.0 mm...

Piston Rings - MAHLE Original Diesel - 3.740 in Bore - Drop In - 2.3 x 2.0 x 3.44 mm Thick - Standard Tension - Steel - Plasma Moly - 8-Cylinder - Kit

Piston Rings - 4.000 in Bore - 2.0 x 1.5 x 4.0 mm Thick - Low Tension - 8-Cylinder - Kit

Piston Rings - 3.313 in Bore - 3/32 x 3/32 x 5/32 in Thick - Standard Tension - Iron - Each

Piston Rings - 4.000 in Bore - Drop in - 1.5 x 1.5 x 2.5 mm Thick - Standard Tension - Steel - Plasma Moly - 1-Cylinder - Each

Piston Rings - 4.000 in Bore - Drop In - 1.2 x 1.5 x 2.5 mm Thick - Standard Tension - Steel - Plasma Moly - 8-Cylinder - Kit