MAHLE 41457CP.020 Premium Engine Piston Ring Set Oversize - 0.020

The MAHLE 41457CP.020 is a premium replacement engine piston ring set sized at 0.020" oversize, designed for use in rebuilt or re-bored engines requiring standard oversize rings. MAHLE is a globally recognized OE supplier and aftermarket leader in piston ring technology, delivering the same engineering quality found in original factory applications.

This ring set features a three-piece ring pack consisting of an upper compression ring, a lower compression ring, and a multi-piece oil control ring assembly. The rings are manufactured to precise OE tolerances to ensure proper sealing, minimal blow-by, and long service life.

Key Features:

• 0.020" oversize for use in engines bored 0.020" over standard
• Plasma-moly faced upper compression ring for rapid break-in and superior wear resistance
• Cast iron lower compression ring for reliable combustion sealing and oil control
• CP-20 oil ring assembly featuring a 20-degree ear angle for best-in-class side sealing against the cylinder wall
• Chemically polished oil ring expander for enhanced oil drain-back performance
• UCR material: Cast Iron with Plasma-Moly facing | OCR material: Stainless Steel
• Meets or exceeds OEM specifications
• Manufactured by MAHLE, a Tier-1 OE supplier to major automotive manufacturers

The MAHLE CP-series piston ring sets are engineered for durability and performance in standard replacement and engine rebuild applications. The CP-20 oil ring design is an exclusive MAHLE feature that provides exceptional oil control and reduced oil consumption. Compatible with standard engine machine work at 0.020" overbore.