You are looking at a the right side exhaust manifold from a 75 Cadillac Eldorado 500 CU engine. Cast # 1486442. Correct for 1968-69 Cadillac (except Eldorado) with 472 cu., 1975-76 Cadillac including Eldorado with 472 & 500. All gasket surfaces look good. There are no cracks, repairs, snapped off studs or stripped threads. Ready to use and hard to find in this condition.