911 Targa (996) F6-3.6L (2004)
Depending on the wear of cast iron brake discs, two condition criteria can make replacement necessary:
1. Cracking in the holed (perforated) brake disc friction plates is in an advanced state.
2. Brake disc minimum thickness is not attained due to wear (material erosion due to friction).
Technical Data/Wear Limit Brake - GT3 RS and GT3 As of Model Year 2004