All these parts and the hardware are new(never used). This brake kit includes (2) cross-drilled and slotted rotors front rotors, (2) cross-drilled and slotted rotors rear rotors, (2) pairs of ceramic/carbon fiber front brake pads, (2) pairs of ceramic/carbon fiber rear brake pads. This brake rotor & pad kit is specifically designed for use on 2011-2014 GT Mustangs that are equipped with Brembo front calipers. PLEASE CALL (501)613-5045 FOR MORE DETAILED INFORMATION!!!