Red Headed Stepchild-75 Swinger LSX Swap
Are you going Drive By Wire? Are you getting the harness, computer and throttle pedal, too?
Also, go on the Tanks Inc. website, find the part number for the complete kit, pump, tank, and whatnot. Plug that number into the Summit website. The price may amaze you.
For what you're doing, run an intake pump with full length feed and return lines to a Aeromotive return style pressure regulator. You'll find the adjustment helpful. You can do with 3/8 (-6) line to and from, and get a good fuel filter.