StopTech Sport Slotted Brake Rotors are premium 1-piece replacement brake discs for your performance street car. These rotors feature a specialized vacuum-cast metallurgy and a unique power slot pattern that helps evacuate heat, gas, and dust, ensuring consistent braking performance and improved pad bite. The durable black e-coat finish on the hubs and vanes provides superior corrosion resistance. This part number (126.45041SL) refers to a single Left Rear (Driver Side) rotor. For a complete axle set, please order the corresponding Right Side rotor (126.45041SR). Key features: Sport Slotted design, improved cooling, and direct OEM fitment for Mazda Miata models with standard brake packages.