Girodisc Ferrari 348, F355 Front RotorsThese GiroDisc 2 piece rotors are a direct replacement for the Ferrari 348 and 355. Weighing in at 14. 3 lbs per rotor, these fully floating assemblies help shed unsprung weight and rotating mass from the front axle of the vehicle. The rotor rings are machined from a proprietary casting made of high carbon iron formulated to GiroDiscs specifications. This superior metallurgy results in a rotor that holds up better, and the 30 curved vanes act as a