The R1 Concepts black drilled-and-slotted front-left brake rotor for 1980–1983 Subaru GLF is provided as a single replacement rotor for the front left location across those model years. Described as drilled & slotted with a black finish, the listing indicates the part is intended for the stated front left fitment on GLF applications.
R1 80-83 Subaru GLF Front Left Drilled & Slotted Black Brake Rotor