The only xd parts I used are for the door latch/strikers.
Radiator was custom made to fit mine as I wanted 5 core vertical mount.
Manual says to use HQ Holden if you want a tilted forward style.
Brake lines were run down outer chassis rail then up onto rear bulkhead brace, if you have inboard Jag brakes.
Where do you live?
Welcome to come look and measure whatever you need if near Canberra.
Cheers