Plastic Servo Horn
Did at first, switched when it was time to replace the steering rack
Aluminium Servo Horn
Yes
Ball Cup Issues
nothing abnormal, popped 2 times on the old style cups directly related to crash
Ball Cup Mod
Yes, I did mod the 1st set
Revised Ball Cups
Yep, when they 1st came out, only put them on the 4 steering ends, saved the others for spares.
Mod steering rack for clearance
Yep, do that also. The new cups will still hit the rack on full compression.