Front Cross-Drilled Slotted Brake Rotors Disc and Ceramic Pads 300,Challenger Kit includes 4 Ceramic Brake Pads and 2 Performance Brake Rotors Drilled for Air Ventilation and Fast Heat Reduction Slotted to Improve Pad Bite and Reduce Stopping Distance Pads are Shimmed to Absorb Vibration and Eliminate Noise Direct Fitment; Ready to Install; No Modication Needed