Raybestos 56830PER Advanced Technology Disc Brake Rotor - Drum in Hat - Performance Raybestos 56830PER Brake Rotor - Drum in Hat - Performance Application: ChevTrk:Express 2500(2003-2009),Express 2500 EXT(2003-2009),Silverado 1500HD(2001-2003,2005-2006),Silverado 2500(1999-2004),Silverado 2500HD(2001-2006),Suburban 2500(2000-2007);GMC Trk.:Savana 2500(2003-2009),Savana 2500 EXT(2003-2009),Sierra 1500HD(2001-2003,2005-2006),Sierra 2500(1999-2004),Sierra 2500HD(2001-2006),Yukon XL 2500(2000-2007);Hummer:H2(2003-2009) Packaged 1 per Box.