StopTech Slotted Sport Rotors are premium one-piece direct replacement brake discs for your factory braking system. This specific model (126.45067SL) is designed for the Rear Left position of the Mazdaspeed 3. The unique slotting aids in heat and brake dust dispersal, preventing glazing and improving wet weather response. Features E-Coating for superior corrosion protection. Components included: 1x StopTech 126.45067SL Slotted Left Rear Brake Rotor.