Mahle Piston Ring Catalog Apr 2026

: Features a unique 20° ear angle that provides superior side sealing against the piston groove compared to standard 90° designs.

The catalog uses a structured numbering system to help users identify the quality and type of ring set: : Denotes a Premium piston ring set. 5XXXXX : Denotes a Standard piston ring set. SXXXXX : Denotes a Single replacement piston ring. Key Technical Features

The MAHLE Piston Ring Catalog is a comprehensive technical resource for engine builders, covering everything from standard light vehicle replacements to high-performance motorsport applications . For 2026, MAHLE has released updated digital guides that detail their latest steel alloy technologies and proprietary coatings. Primary Catalog Resources Mahle Piston Ring Catalog

MAHLE's rings are engineered with specific technologies to maximize sealing and reduce friction:

: Focuses on high-performance "PowerPak" kits, including forged pistons and low-drag ring packs. : Features a unique 20° ear angle that

: Dedicated to specialized performance rings, including steel compression rings and napier second rings. Decoding Part Numbers

: Top rings are often marked with a "pip mark," the MAHLE logo, or a laser-etched "TOP" to ensure correct orientation during installation. Installation & Support APPLICATION GUIDE - Mahle SXXXXX : Denotes a Single replacement piston ring

: A patented process applied to steel top rings for increased scuff resistance and durability in high-heat environments.