MAHLE 51622CP Original Engine Piston Ring Set

The MAHLE Original 51622CP Engine Piston Ring Set delivers OE-quality sealing performance for engine rebuilds and repairs. MAHLE is the largest piston ring manufacturer in the world, with over a century of engineering experience supplying rings to OE engine manufacturers and the aftermarket alike.

MAHLE Original piston ring sets are engineered for installer-friendly fitment. They are pre-lapped to seat immediately, virtually eliminating break-in time, so engine builders can get up and running faster with confidence.

Key Features:

• Pre-lapped finish for immediate seating and minimal break-in time
• Ring materials, coatings, and tension optimized for reduced friction and extended service life
• Compression rings feature a barrel-faced contact area for efficient compression and reduced blow-by
• CNC-controlled gap chamfer optimizes compression sealing
• Intermediate rings use a reverse twist design for superior groove side sealing with taper race machining to enhance cylinder wall contact
• CP-20 oil ring assemblies feature a patented 20-degree ear angle for best-in-class side sealing against the cylinder wall
• Special chemical polish on the oil ring expander promotes enhanced oil drain-back
• Cast iron upper compression ring, carbon steel or cast iron lower compression ring, and stainless steel oil control ring construction

Driven by OE requirements, MAHLE piston rings are designed to reduce friction and ring mass while minimizing engine oil consumption and delivering longer service life. The MAHLE Original 51622CP ring set is the professional choice for engine rebuilders and technicians seeking factory-matched quality.