GiroDisc Porsche 911 GT2 RS Clubsport (991.2) Slotted Rear Rings

The Girodisc D2-250 is a replacement friction ring for the Girodisc A2-250 2-piece floating rotor system. This system is a direct, no-modification replacement for OE discs and works with OE calipers. The A2-250 rotor features a 6061-T6 aircraft-spec aluminum hat and a proprietary cast iron disc, both U.S.-sourced and manufactured in-house by Girodisc. It utilizes a curved vane design for optimal cooling. A floating mount system with 10 high-strength alloy steel drive pins (cadmium plated for corrosion resistance) manages braking loads and allows axial/radial float, preventing rattling with anti-noise spring washers. Once the A2-250 system is installed, only the D2-250 friction ring needs replacement.