The R1 Concepts drilled brake rotor for 1990–1991 Audi 90 Quattro (front right) is a black-finished replacement rotor intended for the front-right wheel. This drilled rotor matches the listed application and offers a serviceable, like-for-like replacement to help owners return the braking system to correct rotor fitment and compatible hardware on those Audi 90 Quattro years.

R1 90-91 Audi 90 Quattro Front Right Drilled Black Brake Rotor