The R1 Concepts Geo-Carbon drilled-and-slotted rotor is specified for rear-left or front-left positions on 1973–1998 International/Navistar S-series models. The source identifies the rotor by its drilled-and-slotted face and Geo-Carbon name. This listing applies to left-side fitment across the stated S-model years; verify your vehicle's model and the intended wheel position before installation.
R1 73-98 International/Navistar S Models Rear Left/Front Left Drill & Slot Geo-Carbon Rotor