MAHLE 41907CP.020 Engine Piston Ring Set - 0.020 in. Oversize

The MAHLE 41907CP.020 is a complete engine piston ring set ground to 0.020-inch (0.50mm) oversize specifications, designed for use during engine rebuilds where cylinders have been bored to accept a larger-than-standard piston diameter. MAHLE Original piston rings are manufactured to OEM-grade standards, making MAHLE one of the most trusted names in engine rebuilding.

Key Features:

• 0.020 in. oversize — designed for use with bored/honed cylinders requiring a .020 over piston
• CP-20™ oil control ring — MAHLE's proprietary low-tension oil ring design for superior oil film control and reduced oil consumption
• Premium compression ring materials including cast iron and/or steel with plasma-moly or chrome facing for long-term wear resistance
• Engineered to OEM tolerances for precise ring-to-groove and ring-to-wall fit
• Meets or exceeds original equipment specifications for compression sealing and oil control
• Complete set includes upper compression ring (UCR), lower compression ring (LCR), and oil control ring (OCR) for each cylinder

About MAHLE Piston Rings:

MAHLE is the largest piston ring manufacturer in the world, with over 60% of current production engines built in North America using MAHLE pistons or rings. The MAHLE brand is the result of more than a century of experience in light and heavy vehicle piston rings for Original Equipment and Aftermarket applications.

Whether performing a standard engine refresh or a full rebuild, the MAHLE 41907CP.020 piston ring set delivers the dimensional accuracy and material quality needed to restore proper compression, minimize blow-by, and control oil consumption back to factory standards.