The R1 Concepts drilled and slotted black brake rotor for 2005–2011 Cadillac STS rear left applications. This replacement rotor delivers a drilled-and-slotted braking surface in a black finish to refresh the rotor contact area used by the rear braking system. It is intended to replace worn or damaged rear-left rotors on the specified STS model years during routine brake service.
R1 05-11 Cadillac STS Rear Left Drilled & Slotted Black Brake Rotor