The R1 Concepts drilled and slotted brake rotor for 1975–1979 Alfa Romeo Sport applications is the rear left replacement rotor finished in black. It is supplied with drilled holes and machined slots and is specified as the rear left unit for those Sport model years. Install it when replacing a worn or damaged rotor to restore the braking surface at the rear left wheel position.
R1 75-79 Alfa Romeo Sport Rear Left Drilled & Slotted Black Brake Rotor