The R1 Concepts drilled black brake rotor is a replacement front-right rotor for 1983–1990 Isuzu Impulse models. Finished in black with a drilled pattern, this rotor fits the front right position and is intended to replace a worn rotor on the listed years, restoring the braking surface and matching the vehicle application and position as stated in the source.

R1 83-90 Isuzu Impulse Front Right Drilled Black Brake Rotor