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 it by its drilled-and-slotted surface and Geo-Carbon designation. This listing is for left-side fitment across the stated S-model years; ensure the rotor matches your vehicle's year and side before purchasing.
R1 73-98 International/Navistar S Models Rear Left/Front Left Drill & Slot Geo-Carbon Rotor