Rust-Oleum Automotive 260771 11-Ounce 2000 Degrees High Heat Spray, Gloss Clear Posted on by Notebook Rust-Oleum High Heat is a tough protective enamel that renews and protects surfaces subject to heat up to 2000-Degree F (1093-Degree C). This rust-preventive formula is ideal for automotive parts and more.Price: Click here to buy from Amazon