EBC SG one-piece rear rotor for 2012–2013 Buick Regal 2.0T. The SG grooved rear disc is vented with a five-bolt pattern, 12.4 in (315 mm) diameter, 48 mm hat height and a 67.4 mm center hole to match SG‑grooved front rotors. Factory QC inspected G3000-spec castings help control run-out and provide a direct-fit rear rotor replacement for like-for-like service.
EBC Racing 12-13 Buick Regal 2.0T SG Series One Piece Rear Rotors