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 : mhl42091CP Description : Engine Piston Ring Set Piston Ring Material : Plasma-Moly Ductile Iron Piston Ring Type : Premium 2004-2006 Dodge Ram 1500 SRT-10 V10.8275cc Engine Components::Piston Rings 2003-2006 Dodge Viper SRT-10 V10.8275cc Engine Components::Piston Rings