Porsche 981 Cayman GT4 Girodisc 2-pc Rotors - Rear (Red Calipers)

Girodisc SKU: A2-155
Porsche 981 Cayman GT4 Girodisc 2-pc Rotors - Rear (Red Calipers) - Hinz Motorsport

Porsche 981 Cayman GT4 Girodisc 2-pc Rotors - Rear (Red Calipers)

Girodisc SKU: A2-155
Regular price $1,700.00
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Girodisc 2-piece floating rotors for Porsche 981 Cayman GT4 models with Iron brakes (Red Calipers). This is the full disc assembly. Replacement friction rings are also available.

*Models with PCCB Brakes (Yellow Calipers) use p/n: A2-156*

Size: 380mm

SKU: A2-155

Axle: Front

Replacement Friction Rings (D2-155)

*Sold/priced per pair*

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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International Shipping rates also available.

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