This is a NOS center body for a 1965 Rochester Quadrajet car. Part number is #7025221, making it for a 1965 Chevrolet with a 396 engine and manual transmission. Date code is C5 (March 1965). Center body is brand new and never used or installed. Has new jets and rear compensator plate, inlet filter nut and a new green anodized part number circle tag. No marks or damage with average age to plating as it's been on the shelf for about 50 years. If you have a carb that is warped, has leaking well plugs or stripped inlet threads, this would be a permanent fix. as good used cores are getting extremely hard to come by, especially for the early year q-jets.
Box is in bad shape as box end is missing, but it did it's job to protect the body all these years. A very rare part.