Make your steel tube headers & cast manifolds stand out with a cast iron look ceramic coating and protect them to 1300F while lowering underhood temperatures up to 20 degrees. Apply to gently blasted surfaces with a touch up gun or airbrush, let dry, then run engine to fully cure with exhaust with exhaust heat. Do not bake this coating in an oven. Includes 4oz. of cast iron coating. One 4oz can coats a set of typical small block headers. Two kits are needed to do big block headers and larger projects Other colors available. Made in USA