Manifold Grey is guaranteed up to 650ºC without peeling or flaking. Can even be used on turbochargers. This coatings is extremely resistant to the weather including salt and moisture. Two thin coats are recommended the first is air dried the second is cured at 150ºC either in an oven or by the engine. Can be brushed or sprayed. Use POR 15 Solvent to thin. Lacquer thinner may be used for cleanup.