Jackrabbit Explorer Series Hard Retractable Tonneau Cover Incl. Canister/Rails; Aluminum Roll Formed Panels; Retractable; Black CHEVROLET GMC SIERRA 3500 HD SILVERADO 3500 SILVERADO 3500 CLASSIC SILVERADO 3500 HD BASE CLASSIC LS CLASSIC LT CLASSIC WT LS LT LTZ SLE SLT WT 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 6.6L Duramax Turbo Diesel LB7 (403) 6.6L Duramax Turbo Diesel LBZ (403) 6.6L Duramax Turbo Diesel LGH (403) 6.6L Duramax Turbo Diesel LLY (403) 6.6L Duramax Turbo Diesel LML (400) 6.6L Duramax Turbo Diesel LML (403) 6.6L Duramax Turbo Diesel LMM (403) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN IV CNG LC8 Vortec (364) 6L GEN IV Flex L96 Vortec (364) 6L GEN IV L96 Vortec (364) 6L GEN IV LC8 Vortec (364) 6L GEN IV LY6 Vortec (364) 8.1L L18 Vortec (496) CNG DIESEL FLEX GAS Pace Edwards Pace Edwards Jackrabbit Explorer Series Hard Retractable Tonneau Cover - JEC8569 JEC8569 Tonneau Cover