This is the Stoptech Replacement Brake Rotor specifically designed for their 2-piece Aero Rotors. For those with Aero Rotors, most of the time the rotor will need a replacement at some point, but usually, the top hat can be re-used. This is a fresh bare iron rotor that will come provided ith new hardware to re-install on the top hat. Additionally, this is a slotted rotor which means that the slots wipe the face of the rotor clean and remove brake dust and hot gasses generated from high-performance driving conditions.
This particular rotor will come in the 328 x 28mm in sizing, and it has been made to use on the left-hand side. Hardware will be included but note that this is just the rotor, and not the mounting bell (hat).