Girodisc Friction Ring Replacements for Porsche 991 Turbo/S - Rear (Red Calipers)

Girodisc rear replacement friction rings for Porsche 991 Turbo / Turbo S models with Iron brakes (Red Calipers). This is the rotor ring/friction ring only. Hats are not included. *Models with PCCB Brakes (Yellow Calipers) use p/n: D2-154* Size: 380mm SKU: D2-155 Axle: Rear Full Rotor Assembly (A2-155) *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