The R1 Concepts Geo-Carbon drilled-and-slotted rotor for 1990–1993 Mazda Miata, rear left, is a direct-fit replacement specified for that wheel position. The drilled and slotted face assists in venting gases and removing pad debris while aiding heat dissipation for steadier braking during repeated stops. This rotor is intended for the Miata rear left application as a drilled-and-slotted replacement.
R1 90-93 Mazda Miata Rear Left Drilled & Slotted Geo-Carbon Rotor