A body header choice PLEASE HELP

Whatever you do, do NOT get the long-tube Hooker headers. You won't be able to access your #5 and #7 spark plugs without pulling the header off of the studs. You also need plug wires with angled boots if you don't want to keep burning plug wires out. I would get a short-tube like the TTIs, they seem to give much more working room around the spark plug area.