The R1 Concepts drilled-and-slotted black brake rotor for 2001–2010 Chevrolet Express 3500 (rear left) is a replacement rotor featuring a drilled and slotted friction surface finished in black, per the description. It is intended for the stated Express 3500 model years and the left rear wheel location, providing a matched rotor option for brake system maintenance or part renewal on those vehicles.
R1 01-10 Chevrolet Express 3500 Rear Left Drilled & Slotted Black Brake Rotor