The R1 Concepts drilled-and-slotted black brake rotor is a replacement rotor for the front-right wheel. Catalog details list it as drilled & slotted with a black finish, intended to serve as a serviceable rotor for braking assemblies. Fitment is explicit: for GMC vehicles from 1983–1996 in the front-right position, offered to match factory mounting and fitment requirements.
R1 83-96 GMC C5D042 Front Right Drilled & Slotted Black Brake Rotor