First, according to my experienced mechanic, the rear rotors did not fit my car. Installed front brake discs and pads. A week later, the car began to shake violently. Took it to the mechanic and he removed it. The pads were badly worn and the rotors were deformed. sent back. The mechanic said it was "the worst set of brakes he's seen" in 15 years. Spend the extra $ and buy better quality.