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 : mhl41462 Description : Engine Piston Ring Set Piston Ring Material : Chrome Ductile Iron Piston Ring Type : Premium Piston Ring Size : Standard Top Ring Thickness (Axial Height) : 2.00 mm Top Ring Material : Ductile Iron Second Ring Material : Carbon Steel Second Ring Thickness (Axial Height) : 1.50 mm Oil Ring Assembly Thickness (Axial Height) : 4.00 mm Oil Ring Assembly Material : Stainless Steel Item Grade : Premium Piston Ring Face Coating : Chrome Piston Ring Oversize : Standard Oil Ring Assembly Groove Type : Shallow Groove Bore Diameter (in) : 3.504 1985-1986 Nissan 720 Base L4.2389cc Engine Components::Piston Rings 1985-1986 Nissan 720 Deluxe L4.2389cc Engine Components::Piston Rings 1985-1986 Nissan 720 Sport Truck L4.2389cc Engine Components::Piston Rings 1986-1989 Nissan D21 Base L4.2389cc Engine Components::Piston Rings 1986-1989 Nissan D21 E L4.2389cc Engine Components::Piston Rings 1986-1989 Nissan D21 XE L4.2389cc Engine Components::Piston Rings 1987 Nissan Pathfinder E L4.2389cc Engine Components::Piston Rings 1987-1988 Nissan Van E L4.2389cc Engine Components::Piston Rings 1987-1988 Nissan Van GXE L4.2389cc Engine Components::Piston Rings 1987-1988 Nissan Van XE L4.2389cc Engine Components::Piston Rings