GiroDisc Front Brake Rotor Kit Slotted for 981 Base Cayman
Item Number: GIR-A1-035 Be the first to review this item
Compatible Models: 981 Cayman, 997 mk 2
The GiroDisc system is a direct replacement for the OE disc on select model Porsche's with factory iron rotors. No modifications are necessary. 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 GiroDisc front rotors are approx 21.0 lbs vs. 25.6 lbs for the stock units. This reduction in rotational and unsprung weight allows for quicker acceleration and suspension response.
The central hat section of this rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum. The disc is made from a 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 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.
Once the GiroDisc system is in place, simply replace the cast iron rotor when needed.
GiroDisc is a brake technology company that is dedicated to the development and manufacturing of high quality brake components and brake systems. GiroDisc products are designed and engineered for both street and track applications with a comprehensive product line of two-piece floating rotors that are designed to be a direct replacement for the factory rotors. The two-piece floating rotor will improve braking performance, reduce unsprung weight and utilizes the factory calipers and e-brake.
Unlike many “big brake” packages on the market, GiroDisc rotors also retain the factory brake bias and outstanding pedal feel. High quality construction and premium grade materials provide improved wear, increased rotor life, minimized coning and greater cooling efficiency. GiroDisc rotors come slotted and are also available with an optional drilled pattern.
The relentless pursuit of enhanced performance has earned GiroDisc multiple victories in Porsche endurance racing. GiroDisc combines valuable lessons learned at the track with the latest technologies to develop the highest performance brake systems for Porsche.
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