GiroDisc A1-276 Porsche 992 GT3 PCCB FRONT Iron Rotor Conversion NINEMEISTER Heighten aggressiveness with valves open

Heighten aggressiveness with valves open while maintaining an overall sound level potential / quality that can still be reasonably driven on the street in combination with other complimentary aftermarket exhaust components

improved laminar flow and increased air velocity

Modern motorsport design crafted using advanced weight saving techniques

they also provide a more track-like exterior aesthetics

7mm and above please buy the 45mm studs

GiroDisc A1-276 Porsche 992 GT3 PCCB FRONT Iron Rotor Conversion NINEMEISTER Heighten aggressiveness with valves openThe Girodisc system is a direct replacement for the OE disc however you must use the same pad shape that is used on the 991 GT3 that came with the iron rotors from the factory. The annulus (pad swept height) of these pads is smaller than the large PCCB pads, this is done to keep the rotor weight at a reasonable level and allow far better pad selection. If we manufactured a rotor with the same annulus as the OEM PCCB rotors they would be unnecessarily