Well, since the rods aren't still here yet, I'll thought to start om making the yellow calipers work.
It didn't.. the bolt spacing is bigger (142mm as opposed to the regular 130mm).
So, I started thinking of other solutions.
I kinda strayed towards using the original 996GT3 bearing carriers so the whole thing would fit. That just means adapting all other 3 fixation points: (shocks, tie rod and lower control arm).
Here was a test fit with a rear 996/986 wheel bearing carrier (front and rear are basically the same casting):
