Girodisc Alfa Romeo Giulia, Stelvio Quadrifoglio Front Rotors RA-Series Dual-resonator design tuned to control

Dual-resonator design tuned to control exhaust note on a catless straight pipe

This gravity-activated valve automatically closes when the vehicle is inverted

Note: Complete bolt-on installation using factory mounting points

or blue stainless steel (Neuse)

Girodisc Alfa Romeo Giulia, Stelvio Quadrifoglio Front Rotors RA-Series Dual-resonator design tuned to controlThe 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. 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 central hat section of our rotor is made from strictly U. S. sourced 6061 T6 aircraft specification aluminum. The