Girodisc Dodge Viper ('03+) Front RotorsThese GiroDisc 2 piece rotors are a direct replacement for the 2003+ Dodge Viper with the standard 355mm brake setup. Weighing in at 18. 4 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,