The ball joints are in the stub axle on EA/EB/ED/EF/EL and the ball joints on AU onwards are in the control arms. The Caliper sites in a different position between EF and AU II/III. Without changing the WHOLE front end you would not be able to put brembos of an AU/BA on your car.

The only way to go is buy one of those brake packages seen on Ebay for about $25003.00