Kit includes Foamet silicone-beaded primary cover gasket and all the required parts to completely service the primary One part number covers all necessary parts This exclusive silicone application process features a full 360° enclosure of the bolt holes and, wherever possible, continuous beading between all bolt hole centers Foamet is one of the latest developments in sealing technology It is a NBR coated metal, dependent on the application made from SAE 5052 Aluminum or SAE 1010 steel