MAHLE Original piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE Original piston rings lead the industry for the latest piston ring technology. PartNumber : mhl41875CP Description : Engine Piston Ring Set Piston Ring Material : Plasma-Moly Carbon Steel Piston Ring Type : Premium 1995-1999 Oldsmobile Aurora Base V8.-cc Engine Components::Piston Rings 2001-2003 Oldsmobile Aurora Base V8.-cc Engine Components::Piston Rings