The R1 Concepts Geo-Carbon drilled and slotted rotor is specified for front-left fitment on 1974–1980 Saab 900 models. The source lists this rotor with a Geo-Carbon drilled-and-slotted braking surface and the front left axle position. This overview presents the vintage vehicle years, model, and side to help confirm correct replacement fitment for classic Saab 900 applications.
R1 74-80 Saab 900 Front Left Drilled & Slotted Geo-Carbon Rotor