You cannot pair the 216 Intake with the 235 exhaust manifold. You would need to use both of the 216 manifolds as a "set"
I have the 216 Intake / exhaust manifolds installed on the 1954 235 engine in my 1954 3604 Truck.
Note - the 216 intake manifold has carburetor mounting studs 2.687" spread , center to center and utilizes a carb with 1-1/2" throttle plate.
- the 235 manifold has carb mounting studs at 2.937" center to center and utilizes a carb with 1-9/16 throttle plate.
The reason I'm bringing this up is you will not be able to utilize the stock ( if that's what you have ) Rochester B carb on the 216 intake manifold.
There has been much discussion on this forum regarding the fuel mixture running rich with the 216 set-up and cannot easily be addressed.
I would suggest you consider finding a good used 235 Intake manifold.