I'm building a 383 with a MSD opti, an electric water pump, and a cloyes double timing chain and was wondering if there is a 2 piece timing cover that will work for my application or if you'd even suggest a 2 piece timing cover?

 

Why do you need a two-piece cover? Lots of guys (including myself) run identical set-ups using the stock cover.

 

So you can adjust timing without dropping the oil pan. I don't know if there is enough room to change out the cam without engine removal, but a 2 piece would also allow you to do that.