The R1 Concepts drilled-and-slotted black brake rotor for 1978–1981 Pontiac Firebird is a direct replacement for the rear-left position. The listing specifies a drilled and slotted braking surface and a black finish to match the part description; verify year and side compatibility for your Firebird before ordering to ensure this rotor fits the intended wheel position.
R1 78-81 Pontiac Firebird Rear Left Drilled & Slotted Black Brake Rotor