996 fronts / 996 turbo rears
the part numbers for these are 996.351.425 & 996.351.426 (996 fronts) or 996.352.425 & 996.352.426 (996 turbo rears)
piston sizes for the 996 turbo rears are 28mm and 30mm, and these use a slightly larger pad then the rest of the porsche rear calipers.
piston sizes for the 996 fronts are .................
these require a 28mm disc, there is a 330mm disc available which is much taller than the 312mm or 325mm disc and means theres less chance of needing a spacer to clear the caliperss
for the bigger calipers 429&430 and 431+432 then you need a 34mm discs.