No those calipers pictured aren't the 993TT size "big reds" Real big reds have taller mounting points underneath the caliper which push them outward for the 322mm rotor. The caliper you have pictured is suited for the smaller diameter 304mm rotor
Here's a picture of a similar caliper from a 964 Turbo (965) with "big blacks." They are the same calipers, just black, that came before the original big reds that first appeared on the 1994 964 Turbo 3.6. The 964 Turbo has the same 322mm diameter
