MAHLE 41865CP.020 Original Engine Piston Ring Set Oversize - 020

The MAHLE Original 41865CP.020 is a precision-engineered engine piston ring set designed for professional engine rebuilds and overhauls. The .020 oversize designation indicates rings machined to a +0.020-inch overbore specification, making this set ideal for use with re-bored or honed cylinders during engine restoration.

MAHLE Original piston rings are manufactured to OEM-equivalent tolerances, ensuring proper cylinder sealing, oil control, and compression retention. Each ring in the set is produced from high-quality cast iron or steel materials with precision surface coatings to promote proper ring seating and long-term durability.

Key Features:

• .020" Oversize — engineered for cylinders bored or honed to +0.020" over standard diameter
• OEM-equivalent dimensional tolerances for proper fit and function
• Compression rings designed for maximum sealing and efficient combustion
• Oil control ring included for effective lubrication management
• High-quality cast iron and/or steel construction with precision surface finish
• Manufactured by MAHLE, a globally recognized OEM supplier to major automakers
• Complete ring set for one engine cylinder or full engine (per kit configuration)

MAHLE is a Tier 1 OEM supplier trusted by leading automotive manufacturers worldwide. The MAHLE Original line delivers the same engineering standards found in factory-installed components, making this piston ring set a reliable choice for engine machine shops and professional rebuilders.