The R1 Concepts drilled-and-slotted black brake rotor for 1991–1997 Porsche 911 (left rear). It delivers a drilled and slotted friction surface finished in black for the left-rear wheel position. Provided to align with the application noted in the product description, this rotor is intended as the replacement braking surface when the left-rear rotor needs service or renewal.
R1 91-97 Porsche 911 Left Rear Drilled & Slotted Black Brake Rotor