MAHLE 42280CP Premium Plasma-Moly Engine Piston Ring Set

The MAHLE 42280CP is a premium engine piston ring set engineered to OE standards and built for demanding performance and replacement applications. MAHLE is the world's largest piston ring manufacturer, and this set reflects the brand's commitment to technically advanced, extensively tested components that deliver reliable sealing, reduced friction, and long service life.

Key Features:

• Pre-lapped rings seat immediately upon installation, virtually eliminating traditional break-in time
• Barrel-faced compression rings with CNC-controlled gap chamfer optimize combustion sealing and reduce blow-by
• Reverse-twist intermediate rings provide superior groove side sealing, with taper race machining to enhance cylinder wall contact
• CP-20 oil ring assemblies feature a 20-degree ear angle for maximum side sealing against the cylinder wall
• Chemical-polished oil ring expander promotes enhanced oil drain-back for cleaner combustion
• Ring materials, coatings, and tension are optimized per application to minimize friction and extend component life
• Designed for straightforward, installer-friendly fitment

MAHLE piston rings are the product of rigorous engineering and real-world testing, making the 42280CP set a trusted choice for engine builders and rebuilders seeking OE-quality performance in a replacement ring set.