The R1 Concepts drilled-and-slotted black brake rotor for 2003–2011 Cadillac BLS (Mexico) (front left) is a replacement rotor specified for that application. The product listing calls out a drilled-and-slotted surface and black finish; those fitment and appearance details help buyers select the correct rotor for brake service or when restoring vehicle appearance.
R1 03-11 Cadillac BLS (Mexico) Front Left Drilled & Slotted Black Brake Rotor