StopTech Sport Slotted Brake Rotors are premium 1-piece direct replacement brake discs for factory brake systems and stock calipers. The directional slotting aids in the dispersal of heat and brake dust, reduces glazing, and improves wet weather braking performance. This specific part is for the Rear Left position. Component List: 1x StopTech 126.42062SL Slotted Left Rear Brake Rotor. Features a black e-coat finish on the non-friction surfaces for long-lasting corrosion resistance.