47-54 Chevy/GMC Truck Complete Replacement Firewall Patch Panel. Made from the highest quality materials and tooling, our sheet metal is amongst the best on the market. All our parts are finished with a black EDP coating to protect against rust and corrosion. We will be glad to assist you any way we can. Our goal is to provide you with the best service possible. If, for some reason you do not feel you have received a “5 star” service, please contact a customer service representative.