Porsche 991 GT3/GT3RS Girodisc 2-pc Rotors - Front

Girodisc SKU: A1-146
Porsche 991 GT3/GT3RS Girodisc 2-pc Rotors - Front - Hinz Motorsport

Porsche 991 GT3/GT3RS Girodisc 2-pc Rotors - Front

Girodisc SKU: A1-146
Regular price $1,700.00
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G
George Hwang
Great brakes

Good feel and brake hard. Def an upgrade over the stock steel brakes

Girodisc 2-piece floating rotors for Porsche 991 GT3/GT3RS models with Iron Rotors (Red Calipers). This is the full disc assembly. Replacement friction rings are also available.

Size: 380mm

SKU: A1-146

Axle: Front

Replacement Friction Rings (D1-066)

*Sold/priced per pair*

**Direct OE Replacement**

The Girodisc system is a direct replacement for the OE disc, no modifications are necessary. The disc will bolt directly to the car and work with OE calipers perfectly.

The central hat section of our 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 10 high-strength alloy steel drive pins, manufactured by Girodisc in the USA to our own specifications and cadmium plated for 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 class 12.9 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.

Once the Girodisc system is in place, simply replace the cast iron rotor when needed.

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