: Dedicated to specialized performance rings, including steel compression rings and napier second rings. Decoding Part Numbers
: Features a unique 20° ear angle that provides superior side sealing against the piston groove compared to standard 90° designs. Mahle Piston Ring Catalog
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 5XXXXX : Denotes a Standard piston ring set
: Focuses on high-performance "PowerPak" kits, including forged pistons and low-drag ring packs. : A patented process applied to steel top
: A patented process applied to steel top rings for increased scuff resistance and durability in high-heat environments.
: Comprehensive listings for passenger cars, covering premium and standard sets.