Carb Suggestions

I have no idea on the current carb, since there aren't many good marking in it and I bought the Duster with it as it sits

The motor I also am unsure , other than its a 1968 440 block with 906 heads and headers. The previous owner said the cam wasn't stock, but he also couldn't provide much info for me

The idea of replacing the intake manifold isn't out of my budget, and I would rather do it now along with a new carb