High-quality flange sets from Athena S.p.A. The head flanges are made from spring steel with a rubber coating. The main flanges made from mild steel are coated with rubber. Steel core materials are characterized by high strength and excellent tensile resistance. The revolutionary transparent coating ensures perfect sealing even at extremely high temperatures. The blue silicone coating for high temperatures is applied to the most critical flat flanges. The flange sets include all the necessary gaskets for restoring the upper and lower parts of the engine, including all rubber gaskets and O-rings.