Hello madmodz,
the Porsche calipers are popular because they are Brembo monobloc calipers.
Concerning the rotor: what exact dimensions does it have? Is looks like a rotor made for a Porsche. Could you measure in mm please.
As far as i know all faster 996/997 models do have 330 or 350 mm brake disks in front. Most of them are 330x34 mm or 350x28 mm. Only the hub diameter differs.
The 986 has 5/130 diameter.
There are some 345 mm discs from other manufacturers. But a.f.a.i.k. only Porsche uses 5/130.
Regards, Markus