MAHLE 42144CP.020 Engine Piston Ring Set Over Standard Bore - 020

The MAHLE 42144CP.020 is a complete engine piston ring set engineered to OEM specifications, designed for use in engine rebuild and overhaul applications. This set is sized at .020" (0.508mm) over standard bore diameter, making it ideal for engines that have been bored or honed to the first oversize during a rebuild.

MAHLE is a global leader in engine component manufacturing and supplies piston rings as original equipment to major automotive manufacturers worldwide. Their aftermarket piston ring sets deliver the same precision tolerances, material quality, and surface treatments found in OEM applications, ensuring reliable sealing, oil control, and compression retention.

Key Features:

• .020" Oversize — engineered for cylinders bored to .020" over standard for proper fit and seal
• OEM-quality materials — manufactured to the same specifications as original equipment rings
• Complete set — includes compression rings and oil control ring assembly for one piston/cylinder
• Precision surface finish — promotes proper ring seating and break-in for long service life
• Tight dimensional tolerances — ensures correct end gap and radial depth for optimal performance
• Designed for engine rebuilds — restores compression, reduces oil consumption, and improves engine efficiency

MAHLE piston rings are a trusted choice for professional engine builders and rebuilders seeking a reliable, cost-effective solution that meets or exceeds original equipment standards. The 42144CP.020 is part of MAHLE's extensive engine component catalog, offering broad application coverage across domestic and import vehicles.