Up for sale is COMETIC COMETIC TOP END KIT 99MM BORE-KTM. The vendor part number is C7792. Read title carefully to know what you are getting. Catalog description�. Constructed from spring steel or graphite Spring steel gaskets are made from a stainless steel shim design coated with a .0001" thickness of silicone on both sides Graphite material is impervious to fuels, coolants and oils Engine case rebuild gasket kits include all gaskets needed for a lower end rebuild (base gasket not included)