Fit 2013 Kia Optima Front Rear PSport Drill Slot Brake Rotors+Ceramic Brake Pads Kit includes 8 Ceramic Brake Pads and 4 Performance Brake Rotors Drilled for Air Ventilation and Fast Heat Reduction Slotted to Improve Pad Bite and Reduce Stopping Distance Direct Fitment; Ready to Install; No Modication Needed Pads are Shimmed to Absorb Vibration and Eliminate Noise