This manifold  is for 1937 - 1941 right side, casting number is visible 78-9430. Used, with resurfaced block mounting flanges, some erosion. Usable original studs with two brass nuts.     Ford Flathead V8 exhaust manifold for 1937, 1938, 1939, 1940, 1941 Passenger Car and Pick Up.  We can sell the exhaust gaskets and brass nuts if  you need them, email us.