You need to have the outer stub shaft end from the front driveshaft. Just remove the c clip and the shaft pulls out. Cv joint can then be taken apart.
No changes needed to steering rack.
You need to check the TCA's 4x4 has pinch bolt fitment, 2wd can have taper fit.
4x4 cosworth hubs will move the wheels in slightly.
This is mine on 4x4 hubs