EBC S4KF1339 Stage-4 Signature Brake Kit EBC Brakes S4KF1339 S4 Kits Redstuff and USR Rotor; Incl. Rotors and Pads; Front; Rotor Dia. 13.7 in.; Authorized Dealer - 100% Satisfaction Guaranteed EBC Brakes S4KF1339 Warranty: Yes