MAHLE 51396CP Premium Engine Piston Ring Set with CP-20 Oil Ring Assembly

The MAHLE 51396CP is a premium engine piston ring set engineered to deliver reliable sealing, reduced friction, and extended service life. Part of MAHLE's trusted Original line, this ring set is built with precision-matched components and application-specific materials to restore proper compression and oil control during engine rebuilds or overhauls.

Key Features:

• Pre-lapped design seats immediately upon installation, virtually eliminating break-in time
• Barrel-faced compression rings deliver more efficient compression sealing and are finished with a CNC-controlled gap chamfer to minimize blowby
• Plasma-moly top ring coating provides superior wear resistance and scuff resistance under high heat and pressure
• Reverse twist intermediate rings feature taper race machining for enhanced groove side sealing and improved cylinder wall contact
• CP-20 oil ring assembly with exclusive 20-degree ear angle provides optimal side sealing against the cylinder wall
• Chemically polished oil ring expander promotes enhanced oil drainback for improved oil control
• Ring tension, materials, and coatings are application-optimized for reduced friction and long service life

MAHLE is a globally recognized OEM supplier and aftermarket leader in engine components. The 51396CP ring set reflects MAHLE's commitment to installer-friendly design and precision manufacturing, making it a dependable choice for professional engine builders and serious DIY mechanics alike.