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 : mhl51706 Description : Engine Piston Ring Set Piston Ring Material : Cast Iron Piston Ring Type : Standard Piston Ring Size : Standard 1991-1995 Chevrolet C70 Kodiak C7H042 V8.-cc Engine Components::Piston Rings 1991-1994 GMC C7000 Topkick C7H042 V8.-cc Engine Components::Piston Rings