MAHLE 42249CP.020 Engine Piston Ring Set Over - 020

The MAHLE 42249CP.020 is a premium .020" oversized engine piston ring set engineered to meet or exceed original equipment manufacturer (OEM) specifications. Designed for engine rebuilds requiring a .020" overbore, this complete ring set delivers reliable compression sealing, superior oil control, and reduced engine oil consumption.

Key Features:

• OEM-Grade Materials: Manufactured to OE specifications using premium cast iron and stainless steel ring materials for long-lasting durability
• CP-20 Oil Ring Assembly: Features a 20-degree ear angle for optimal side sealing against the cylinder wall, plus a chemically polished expander for enhanced oil drain-back
• Plasma-Moly Top Ring: Reduces friction and promotes faster, more consistent ring seating during break-in
• .020" Oversize: Engineered specifically for cylinders bored .020" over standard to restore proper piston-to-wall clearance during rebuilds
• Reduced Ring Mass: MAHLE's low-tension ring design minimizes friction losses while maintaining excellent combustion sealing
• Extended Service Life: Advanced ring geometry and surface treatments help minimize oil consumption and blow-by for long-term engine performance
• Complete Set: Includes all compression and oil control rings required for a full engine rebuild

MAHLE is a world-leading OE supplier and aftermarket parts manufacturer trusted by professional engine builders. The 42249CP.020 piston ring set reflects the same engineering standards used in original equipment production, making it an ideal choice for engine rebuilds requiring reliable, long-lasting ring performance.