EBC YELLOWSTUFF 4000 R SERIES BRAKE PAD SET -- Made from a full-race capable material that can withstand high temperatures; Upholds high resistance to wear and yields zero damage to rotors; Reduces noise and dust dispersal; Designed as the ultimate race brake pad for highly-tuned high-horsepower cars for racetrack and street use; Offers a superb bite even when cold thus warm up is not required; Features brake-in coating for super quick pad bed-in and center line slots to prevent heat expansion cracks.