Loctite 502911 Copper Gasket High Temperature Adhesive Sealant Aerosol Can, 9-oz. Fast-drying, metallic copper sealant that helps dissipate heat Prevents gasket burnout and improves heat transfer Seals instantly Resists all types of automotive fluids, especially gasoline Typical applications include cylinder head gaskets, carburetor gaskets, exhaust manifold gaskets and other high temperature applications