MAHLE 51496CP.030 Premium Piston Ring Set Oversize - 030

The MAHLE 51496CP.030 is a premium replacement piston ring set engineered to OE form, fit, and function standards. Sized at +0.030" oversize, this set is intended for engines that have been bored 0.030" over standard to restore proper cylinder-to-ring clearances during an engine rebuild or overhaul.

MAHLE is the world's largest manufacturer of piston rings, and the CP-series line represents their premium-grade offering for passenger car and light truck applications. Ring materials, coatings, and tension values are all application-optimized to reduce friction, minimize oil consumption, and deliver long service life.

Key Features:

• Premium upper compression ring (UCR): Carbon steel construction with a plasma-moly face coating and positive twist barrel profile for rapid, efficient break-in
• Lower compression ring (LCR): Engineered for superior combustion gas management, top ring stability, and groove side sealing
• CP-20 oil control ring (OCR): Features MAHLE's exclusive 20-degree ear angle for optimal side seal within the piston oil ring groove, reducing oil consumption and simplifying installation
• +0.030" oversize bore: Designed for cylinders bored 0.030" over standard — confirm your bore measurement before ordering
• OE-equivalent quality: Designed to meet or exceed original equipment specifications for reliable, long-term engine performance

MAHLE piston rings are pre-lapped and ready to install, virtually eliminating extended break-in periods. Their CP-series sets are trusted by professional engine builders and rebuilders for consistent quality across a wide range of domestic applications.