MAHLE 41872CP Perfect Circle Premium Piston Ring Set

The MAHLE Perfect Circle 41872CP is a premium piston ring set engineered to deliver OE-quality sealing, superior oil control, and long-lasting durability for engine overhaul and re-ring applications. As part of the Perfect Circle premium (CP) series, this ring set features a moly or chrome-faced top compression ring designed to withstand severe operating conditions and extended service life.

Key Features:

• Premium CP Series Ring Set — features moly or chrome-faced top compression ring for enhanced wear resistance under high heat and load
• Precision-ground construction — manufactured under strict quality controls to ensure consistent fit and reliable sealing
• 3-piece oil ring assembly — stainless steel expander between two chrome-faced steel rails delivers superior conformability within the cylinder bore
• Foolproof installation design — rings are engineered so they cannot be installed incorrectly, reducing the chance of assembly error
• Special ring face contours and torsional designs — optimizes compression sealing and oil control throughout the ring's service life
• High-strength materials — built to meet or exceed OEM specifications for compression retention and oil management

The MAHLE Perfect Circle 41872CP piston ring set is the trusted choice for engine builders and professional technicians performing engine rebuilds, overhauls, or re-ring jobs. MAHLE's Perfect Circle brand has been a benchmark in piston ring manufacturing, combining decades of engineering expertise with modern materials and precision tolerances.