The R1 Concepts slotted black brake rotor for 1987–1992 Toyota Corolla (front left) is a replacement rotor with a slotted braking surface intended to restore pad contact. Specified for the listed Corolla years and mounting side, this rotor serves as an application-specific service part to renew the front left braking surface on the noted vehicles.
R1 87-92 Toyota Corolla Front Left Slotted Black Brake Rotor