2005 GMC Sierra 1500 Rear: Drum. 2007 GMC Sierra 1500 Rear: Drum. 2006 GMC Sierra 1500 Rear: Drum. 2008 GMC Sierra 1500 Rear: Drum. Notes: PRO KIT -- 11.6" X 2.4"; 855. WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
