This Exhaust Manifold is designed for use on Chevy 350, 327, and 307 engines. It is made from high-quality cast iron. The manifold is finished in a bare color, with an unfinished look that is both stylish and functional. This part is designed to fit on the right side of your vehicle, and is compatible with gasoline fuel types. The substrate material is iron, providing excellent durability and resistance to heat. Whether you're restoring a classic Chevy or upgrading your existing exhaust system, this Exhaust Manifold is the perfect choice.