Girodisc Cadillac CT4-V Blackwing Rear Rotors 14-0772 This is a necessity for

This is a necessity for stage 2 & big turbo FSI cars

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5mm) internal bore

Girodisc Cadillac CT4-V Blackwing Rear Rotors 14-0772 This is a necessity forThese GiroDisc 2 piece rotors are a direct replacement for the rear rotors on the CT4 V Blackwing. Our 2 piece, 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 48 curved vanes act as a centrifugal pump