needs some quick carb Q's answered

I'm looking at a carb. Its a holley 4777-4 650 double pumper. Iv notice a few thing that are missing. I'll post them hear so mabey some one can tell me wat part that is and were I can find a replacement and the over all price I should pay.
Right now were at $200 for a radiator stock 318 manifolds and this carb. Is that a good price? Thanks