The R1 Concepts Geo-Carbon drilled-and-slotted rotor is specified for the rear right on 1978–1983 Dodge Challenger applications. The description denotes a Geo-Carbon rotor with drilled and slotted machining for the rear right position; install it as the vehicle- and side-specific replacement and pair with the rear left rotor when replacing both rear rotors.
R1 78-83 Dodge Challenger Rear Right Drilled & Slotted Geo-Carbon Rotor