

GiroDisc
GiroDisc
GIRODISC A2-154 Kit Zadnikh Halmivnykh Dyskiv For PORSCHE 991/992 GT3/GT3RS/GT2RS/Cayman GT4/GT4RS PORSCHE 991/992 GT3/GT3RS/GT2RS/Cayman GT4/GT4RS (390kh32 Mm, Zamina PCCB)
GIRODISC A2-154 Rear Brake Disc Kit for PORSCHE 991 / 992 GT3 / GT3RS / GT2RS / Cayman GT4 / GT4RS (390x32mm, PCCB Replacement)
The GIRODISC A2-154 rear brake kit is a high-performance, cast-iron-based solution designed as a direct replacement for the standard PCCB ceramic discs on Porsche GT and RS models. Installation is straightforward, requiring no modifications and maintaining compatibility with factory calipers and brake pads. The central hat is precision-machined from US-sourced 6061-T6 aircraft-grade aluminum. The disc itself is constructed from Girodisc's proprietary cast iron and features curved internal vanes for superior heat dissipation. A floating mount system, utilizing 12 cadmium-plated steel drive pins with anti-rattle/anti-knock washers, ensures thermal stability and quiet operation.
Technical Specifications:
- Surface Finish: Slotted
- Vane Type: Curved
- Material: Cast Iron
- Disc Type: Vented
- Disc Diameter: 390 mm
- Minimum Thickness: 30.0 mm
- Maximum Thickness: 32.0 mm
Benefits
- Direct replacement for PCCB discs, no modifications required
- Compatible with factory Porsche calipers and pads
- Features a 6061-T6 aluminum hat and proprietary cast iron disc
- Curved vane design for enhanced cooling
- Floating mount with 12 alloy steel drive pins and protective coating
- Anti-knock/anti-rattle washers provide thermal compensation without noise
Specifications
- Part number
- A2-154



























