The R1 Concepts drilled-and-slotted black brake rotor is a replacement rotor for 2000–2010 Westward Industries GO-4 models, intended for the rear left position. It carries a drilled and slotted braking surface with a black finish and is supplied to replace a worn or damaged rotor, restoring the correct surface and fitment for that vehicle and wheel location.
R1 00-10 Westward Industries GO-4 Rear Left Drilled & Slotted Black Brake Rotor