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 : mhl42089CP.030 Description : Engine Piston Ring Set Piston Ring Size : 0.030IN 2005-2010 Chrysler 300 C SRT8 V8.6059cc Engine Components::Piston Rings 2008-2010 Dodge Challenger SRT8 V8.6059cc Engine Components::Piston Rings 2006-2010 Dodge Charger SRT8 V8.6059cc Engine Components::Piston Rings 2006-2008 Dodge Magnum SRT8 V8.6059cc Engine Components::Piston Rings 2006-2010 Jeep Grand Cherokee SRT8 V8.6059cc Engine Components::Piston Rings