Girodisc D1-100 380mm rotor rings are the proper replacements for the A1-100 Rotor System. The A1-100 discs have a minimum thickness spec of 32mm, once this thickness is reached they should be replaced. This D1-100 kit includes left and right rotor rings as well as the ring to hat attachment hardware and full instructions for re-assembly.

Girodisc A1-100 Brake Disc Vehicle Fitment:

• 2007-2008 Audi RS4 *  2007 Audi RS4  2008 Audi RS4 

* Equipped with Girodisc A1-100 Brakes

Ring Specifications:

• Diameter: 380mm
• Thickness: 34mm

Girodisc Brake Rotor Manufacturing:
The discs are made from Girodiscs own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. 10 high strength cadmium plated alloy steel drive pins along with grade 12 cap screws and hardened washers are used to attach the rotor to the hat.

Sold/priced per pair.