Protect metal parts with a crystal clear, tough, flexible coating that keeps brass, aluminum, steel, die-cast, even cast iron looking great. This self- leveling formulation, resists chips, cracks, fading and yellowing. May slightly dull reflectivity. Resists fuels and temps up to 300 degrees. Ideal in underhood applications except exhaust manifolds. Great for polished wheels, aluminum valve covers as well as items around the shop and home. Diamond Clear for Bare Metal is a solvent-based clear in a 12 oz aer. can. Assure surface is grease and oil free with PRE Painting Prep (10041Z).