MAHLE 51706 Original Engine Piston Ring Set

The MAHLE Original 51706 is a premium engine piston ring set engineered to OEM standards for reliable engine rebuilding and restoration. As the world's largest piston ring manufacturer, MAHLE brings factory-level precision to the aftermarket, with over 60% of production engines built in North America using MAHLE pistons or rings.

Key Features:

• Installer-friendly design: Rings are pre-lapped to seat immediately, virtually eliminating break-in time
• Optimized materials and coatings: Ring materials, coatings, and tension are all matched to the specific application for reduced friction and extended service life
• Barrel-faced compression rings: Feature a barrel-faced contact area for more efficient compression and a CNC-controlled gap chamfer to optimize sealing and reduce blowby
• Reverse-twist intermediate rings: Designed with a reverse twist profile and taper race machining to enhance groove side sealing and cylinder wall contact
• CP-20 oil ring assemblies: Incorporate a 20-degree ear angle for superior side sealing against the cylinder wall, plus a specially chemically polished expander for enhanced oil drainback
• OEM-grade quality: Engineered using the same expertise as MAHLE's original equipment production rings

MAHLE Original piston ring sets are the preferred choice for professional engine builders and rebuilders seeking OEM-quality components with straightforward installation. The 51706 ring set delivers the durability and precision needed for a dependable, long-lasting engine rebuild.