StopTech Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. They improve stopping power and cooling compared to original rotors. This specific part (127.61087L) is a Slotted and Drilled Rear Left (Driver Side) rotor featuring a corrosion-resistant black e-coating. Features: Improved heat dissipation, enhanced wet weather braking, and reduced brake fade. Package includes: 1x StopTech 127.61087L Brake Rotor.