MAHLE 3010678 Piston Ring Set

The MAHLE 3010678 is a precision-engineered piston ring set from MAHLE Original, one of the world's leading manufacturers of engine components for both OE and aftermarket applications. MAHLE is the largest piston ring manufacturer in the world, with over a century of experience supplying rings to engine builders and OEMs across the globe.

MAHLE Original piston ring sets are designed to be installer-friendly — pre-lapped to seat immediately and virtually eliminating break-in time. Ring materials, coatings, and tension levels are optimized for reduced friction and extended service life in each specific application.

Key Features:

• Barrel-faced compression rings for a more efficient compression seal and instant contact with the cylinder wall as the piston rocks at TDC and BDC
• CNC-controlled gap chamfer on compression rings to optimize compression and reduce blowby
• Reverse-twist intermediate rings for enhanced groove side sealing and taper race machining for improved contact
• CP-20 oil ring assemblies featuring a 20-degree ear angle for superior cylinder wall side sealing, plus a special chemical polish on the expander for enhanced oil drainback
• Ring materials and coatings optimized per application for reduced friction and long service life
• Designed to meet or exceed OEM specifications

MAHLE Original piston ring sets are trusted by professional engine builders as a premium OE-quality solution for engine rebuilds and high-output applications.