GMC SIERRA 1500 Rear Drilled and Slotted Brake Rotors & Ceramic Pads Kit Rear for 1999-2006 (Specific trims with 325mm rotor, single piston caliper). GMC YUKON Rear Drilled and Slotted Brake Rotors & Ceramic Pads Kit Rear for 2000-2001 (Single piston rear calipers, 325mm rotor, 3/4″ thick).