The R1 Concepts drilled brake rotor is a replacement left-front black rotor for 2006–2015 Lexus GS300 applications, identified by its drilled surface and black finish. Sold individually for the left-front position, it matches the listed wheel-side fitment and supplies the brake disc described for those GS300 model years.

R1 06-15 Lexus GS300 Left Front Drilled Black Brake Rotor