The R1 Concepts drilled-and-slotted black brake rotor is presented as a replacement front-left rotor. Described as drilled & slotted with a black finish, it reflects the catalog specification and functions as a serviceable braking rotor for the indicated wheel position. Fitment is explicit: for GMC vehicles from 1983–1996 in the front-left position, provided to align with factory mounting points.
R1 83-96 GMC P6T042 Front Left Drilled & Slotted Black Brake Rotor