i need help completing my 350 small block chevy engine?

It is a 350 4 bolt on Main, I L2256F forged pistons sealed Flat Top, a Performer RPM air gap intake, a 600 carburetor carburetor and 750, depending on you think is best. the block is bored. 30th I also have5. 7-inch Eagle I-Beam rods with 64 cc hump heads. What is the best cam for this set-up. I want to use it as Street Machine, not so much the length. I also have a 2500 stall converter. Please help me because I try to have this as smoothly as possible, your advice and expertise so very helpful, thanks in advance. PS It is in the 1972 Chevelle SS position at the rear with 342 gears placed werden.1 3 / 4 tube headers