The R1 Concepts drilled and slotted black front right brake rotor for 2004–2009 Toyota Prius is listed as a replacement rotor featuring a drilled-and-slotted braking surface and a black finish for the front right position. This overview relies on the explicit Prius years and wheel position and the rotor's surface treatment from the source.
R1 04-09 Toyota Prius Front Right Drilled & Slotted Black Brake Rotor