Did your factory clutch discs look like this (segmented):
Or this:
The top pic is of the FRPP M-4700-C carbon fiber clutches, used in the 03-04 Cobra and supposedly factory equipped in the S197 GTs.
The bottom pic is of the FRPP M-4700-B standard clutches, used for 20+ years in 8.8" T-Loks.