Yes, yes, yes, yes, yes
Custom fuel rail
and and new fuel injector bungs placed in the center and the side mounted bungs filled in and ground smooth is one way of doing it.
But as Demon has told me, there is no real gain to doing it that way. The route he took has proven that to me and reusing the existing injector location of the split port LIM. It's all in the head work that makes it all work out.