Girodisc Front Rotor Set
Girodisc Front 380mm 2-piece Rotor Upgrade
The Girodisc system is a direct replacement for the OE disc on all 997.2 GT3/GT2's, with or without the OEM PCCB rotors (also compatible with 2006-08 models WITH PCCB). No modifications are necessary, allows use of factory unmodified pads unlike most aftermarket solutions for this application. The disc will bolt directly to the car and work with OE calipers perfectly. By upgrading your brakes with lightweight high performance replacements as opposed to a big brake kit, your factory bias is maintained as well as your ABS efficiency.
The central hat section of this Girodisc rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. The rotor utilizes a curved vane design, developed in racing to act as a centrifugal pump to force cooling air through the disc.
The rotor and hat have a floating mount system, which utilizes 8 or 10 high strength alloy steel drive pins, manufactured by Girodisc in the USA to our own specifications and cadmium plated for a long lasting corrosion resistance. These pins take the load from braking actions while maintaining the axial and radial float between the hat and disc. The pins are secured by grade 12 cap screws with hardened washers. In order to keep the rotors from making noise when cold, the pins are mounted with anti-noise spring washers on the rotor side which allow the rotor to grow with heat expansion but eliminate the rattle and noise associated with floating rotors. This float also allows the rotor to self center between the pads.
Fits the following models:
- GT3 or GT3 RS with Ceramic Brake System PCCB - (997.1 generation) 2006-2008
- GT3 or GT3 RS models (all versions - with standard or PCCB system) - (997.2 generation) 2009-2012
- GT2 RS models 2011-2012
Dimensions: 380 x 34 mm. 2-Piece design. Comes with the left and right front rotor. Made by Girodisc. Intended for off road use only. Professional installation required. Racing brake discs need to be regularly inspected by certified mechanics.
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