EBC Brakes S1KF1601 S1 Kits Ultimax 2 and RK Rotors Incl. Rotors and Pads Front Rotor Dia. 12.9 in. S1 Kits Ultimax 2 and RK Rotors EBC Brakes S1KF1601 S1 Kits Ultimax 2 and RK Rotors; Incl. Rotors and Pads; Front; Rotor Dia. 12.9 in.; Authorized Dealer - 100% Satisfaction Guaranteed EBC Brakes S1KF1601 Warranty: Yes