HYUNDAI SONATA 2008 - 2010 2.4L; Built after 1/22/2008. 2x - Both Rear Disc Brake Rotors: R-31339. 2x - Both Front Disc Brake Rotors: R-31337. 2x Rear Ceramic Brake Pads (Hardware Included): P-1313. 2x Front Ceramic Brake Pads (Hardware Included): P-924.