StopTech Slotted Sport Brake Rotors are premium replacement brake discs designed for high-performance driving. This specific part (126.45087SL) is a Left Rear rotor featuring a unique power slot design that helps evacuate gases, dust, and debris, ensuring consistent braking performance and improved cooling. The rotor is finished with a black e-coat for superior corrosion resistance on non-friction surfaces. This is a single component: 1x StopTech 126.45087SL Slotted Sport Rotor (Rear Left). For a complete rear axle set, it is recommended to pair this with the right-hand side rotor (126.45087SR).