Permatex 80697 Copper Spray-A-Gasket Hi-Temp Adhesive Sealant, 9 oz. net Aerosol Can Fast-drying, metallic copper spray adhesive/sealant helps to dissipate heat, prevents gasket burnout, and improves heat transfer Fills minor surface irregularities, fills hot spots and surface imperfections Resists all types of automotive fluids, especially gasoline Temperature Range: -50F to 500F (-45C to 260C) Suggested Applications: Cylinder head gaskets, exhaust manifold gaskets, and other high temperature applications