BUICK LUCERNE 2006 - 2011 V6 Models ONLY. 2x - Both Rear Drilled Rotors: S-55127. 2x - Both Front Drilled Rotors: S-55126. Complete Front & Rear Drilled and Slotted Rotor + Ceramic Brake Pad Kit. 2x Rear Ceramic Brake Pads (Hardware Included): P-1172.