What all do i need to take to machine shop?

Recently got this 383. It was stuck in cylinder #8 but got it unstuck and now it is disassembled.

This is my first rodeo as far as an engine rebuild, so some questions may seem stupid. I did order the "How to rebuild big block mopars" book a little bit ago to help. What all of below would I need to take to machine shop to have machined/checked? I'm sure it'll likely need bored slightly over and clean up the top where the heads bolt on.

Does the crank normally need to be taken in/checked?

The core I bought came with one set of heads installed, and then 2 loose sets of 906 heads. Undecided if I'll try to get some of those cleaned up and ready, or just get a set of the stealth aluminum ones.

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