MAHLE 50784CP.060 Perfect Circle Standard Piston Ring Set Oversize - 0.060

The MAHLE 50784CP.060 is a Perfect Circle Premium Piston Ring Set sized at 0.060" oversize, designed as a high-quality OEM-grade replacement for engine rebuilds and re-ring jobs. MAHLE, the world's largest manufacturer of piston rings, brings decades of original equipment engineering expertise to this ring set, ensuring a precise fit and reliable long-term performance.

Key Features:

• 0.060" Oversize bore — designed for engines bored 0.060" over standard, as indicated by the ".060" suffix in the part number
• High tensile and yield strength with excellent hardness and low ring mass for outstanding stress resistance and minimal groove pound-out
• Pre-lapped rings seat immediately upon installation, virtually eliminating break-in time
• Barrel-faced compression rings with CNC-controlled gap chamfer for optimized compression and reduced blow-by
• Reverse-twist intermediate rings with taper race machining for superior groove side sealing and enhanced cylinder wall contact
• CP-20 oil ring assemblies featuring an exclusive 20-degree ear angle for maximum side sealing against the cylinder wall, plus a chemically polished expander for improved oil drain-back
• Optimized ring tension and coatings reduce friction and extend service life across the application
• Installer-friendly design prevents incorrect installation, saving time and reducing the risk of errors during assembly

Whether you are overhauling a modern fuel-injected engine or rebuilding a classic powerplant, the MAHLE Perfect Circle 50784CP.060 piston ring set delivers the OE-level quality and engineering precision that professional engine builders depend on. This set carries on the trusted Perfect Circle legacy, now backed by MAHLE's global research and development resources.