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 : mhl42229.020 Description : Engine Piston Ring Set 2011-2013 Lexus CT200h Base L4.1798cc Engine Components::Piston Rings 2009-2011 Toyota Corolla Base L4.1798cc Engine Components::Piston Rings 2012-2013 Toyota Corolla L L4.1798cc Engine Components::Piston Rings 2009-2013 Toyota Corolla LE L4.1798cc Engine Components::Piston Rings 2009-2013 Toyota Corolla S L4.1798cc Engine Components::Piston Rings 2009-2010 Toyota Corolla XLE L4.1798cc Engine Components::Piston Rings 2009-2013 Toyota Matrix Base L4.1798cc Engine Components::Piston Rings 2010-2011 Toyota Prius Base L4.1798cc Engine Components::Piston Rings 2012-2013 Toyota Prius Five L4.1798cc Engine Components::Piston Rings 2012-2013 Toyota Prius Four L4.1798cc Engine Components::Piston Rings 2012-2013 Toyota Prius Three L4.1798cc Engine Components::Piston Rings 2012-2013 Toyota Prius Two L4.1798cc Engine Components::Piston Rings