The EBC premium rotor set is presented as the rotor portion of the S13 pad-and-rotor kit and is described as an OEM-style replacement. Kit materials note Yellowstuff pads paired with matched rotors that feature geomet anti-rust coating and are balanced and run-out tested. The rotor element is intended to be installed with the kit's pads to restore the matched braking system performance.
EBC S13 Brake Pad and Rotor Kit