Im picking up an AGP dbb turbo and I wanna know what else I need. I know i need a manifold, fuel pump, injectors and possibly a return kit. I have a bigger front mount, and a FM adjustable wastegate. I just wanna make sure I do this right. Someone help me out here.

Oh btw I was told if I went with 650 injects I would need a return line, but if I went with 750's it would be okay with out it...