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 : mhl51431 Description : Engine Piston Ring Set Piston Ring Material : Cast Iron Piston Ring Type : Standard 1982-1983 Nissan 200SX Base L4.2187cc Engine Components::Piston Rings 1981-1983 Nissan 720 Base L4.2187cc Engine Components::Piston Rings 1981-1983 Nissan 720 Deluxe L4.2187cc Engine Components::Piston Rings