EBC S4KF1512 Stage-4 Signature Brake Kit EBC Brakes S4KF1512 S4 Kits Redstuff and USR Rotor; Incl. Rotors and Pads; Front; Rotor Dia. 13.0 in.; Authorized Dealer - 100% Satisfaction Guaranteed EBC Brakes S4KF1512 Warranty: Yes