Girodisc Ferrari 360 Challenge Front Rotors AUDI_A4_B8 or motorsport applications where maintaining

or motorsport applications where maintaining clean intake air is critical for 4G63 turbocharged engine performance and reliability

Increased Induction Sound

CNC machined v-band and bolt flanges for leak-free operation

Height and Dampening adjustment

Girodisc Ferrari 360 Challenge Front Rotors AUDI_A4_B8 or motorsport applications where maintainingThis Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The assembly will bolt directly to your car and work with OE calipers and pads 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