StopTech Slotted Sport Brake Rotors are premium 1-piece replacement brake discs for your performance street vehicle. These rotors feature a specialized Power Slot pattern that helps evacuate brake dust and gases, increasing initial bite and improving cooling under heavy braking. The durable black e-coating on the non-swept surfaces protects against corrosion. This specific part (Left Rear) is designed for the Ford Focus ST. Included components: 1 x StopTech 126.61099SL Slotted Brake Rotor (Left Rear).