This is a RARE!! VINTAGE, USA made by GM, New Old Stock (N.O.S.) Engine Exhaust Manifold
NEVER BEEN ON A CAR!!
Right Hand specific on below specific applications
Per Chevrolet parts books, fits:
1957-1958 Chevrolet Passenger models with 283 c.i. V8 engine
1959-1963 Chevrolet Passenger models with 283 c.i. V8 engine (with C.A.C., Cool-Pack)
1962-1964 Chevrolet Passenger models with 327 c.i. V8 engine (except Fuel Injection, High-Performance, or Sport Hi-Performance)
Has casting number 3750556