Girodisc Alfa Romeo Quadrifoglio, Maserati Rear Rotors 20-1808-FL giving you full flexibility to

giving you full flexibility to spec the pump output that matches your power goals

When increasing the power output of your engine to Stage 2 or beyond

Whether navigating winding roads or pushing the limits on the track

Sealing: O-ring boss (O-ring included)

it provides excellent fuel and oil resistance for a long-lasting

Girodisc Alfa Romeo Quadrifoglio, Maserati Rear Rotors 20-1808-FL giving you full flexibility toThe 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,