EBC Brakes S9KR1247 S9 Kits Yellowstuff and USR Rotors Incl. Rotors and Pads Rear Rotor Dia. 12.8 in. S9 Kits Yellowstuff and USR Rotors EBC Brakes S9KR1247 S9 Kits Yellowstuff and USR Rotors; Incl. Rotors and Pads; Rear; Rotor Dia. 12.8 in.; Authorized Dealer - 100% Satisfaction Guaranteed EBC Brakes S9KR1247 Warranty: Yes