StopTech Slotted Sport Brake Rotor (126.62147SL). This is a single, Left Rear (Driver Side) performance replacement rotor. Key features: 1. Power Slotting: Helps evacuate gases, dust, and debris for improved bite and consistent stopping power. 2. High Carbon Metallurgy: Resists cracking and reduces brake noise. 3. E-Coat Finish: Provides long-lasting corrosion protection on non-friction surfaces. This part is a direct replacement for the stock Brembo-equipped Chevrolet SS rear rotor. Component List: 1x StopTech 126.62147SL Slotted Brake Rotor (Rear Left).