Intake Manifold - Burns Single-Downdraft : Model A/BThe Intake Manifold Burns Single Downdraft : Model A B is crafted with superior precision and quality. Ideal for 1928 34 motors, it is cast in 356 T6 heat treated aluminum and shot peened for maximum strength and durability. It can accommodate Stromberg or Ford V8 3 bolt carburetors and is compatible with stock and custom exhaust manifolds. A specialized heat plate is integrated for swift warm up, yielding an impressive performance with every use.