TrekStep Rear Mounted Step Fits 2007 - 2013 Chevy / GMC Silverado and Sierra;Easy access to your truck bed;Works with tailgate up or down;Die cast aluminum alloy arms and mounting brackets;Supports up to 300 pounds of weight;Easy bolt-on installation;3-year limited warranty CHEVROLET GMC SIERRA 1500 SIERRA 2500 HD SIERRA 3500 HD SILVERADO 1500 SILVERADO 2500 HD SILVERADO 3500 HD DENALI HYBRID LS LT LTZ SL SLE SLT WT XFE 2007 2008 2009 2010 2011 2012 2013 2014 4.3L (262) Vortec 4.3L LU3 (262) Vortec 4.3L LU3 (4293cc) Vortec 4.8L GEN IV Flex L20 Vortec (294) 4.8L GEN IV LY2 Vortec (294) 5.3L GEN IV Flex LC9 Vortec (325) 5.3L GEN IV Flex LMG Vortec (325) 5.3L GEN IV LH6 Vortec (325) 5.3L GEN IV LY5 Vortec (325) 6.2L Flex L9H (376) 6.6L Duramax Turbo Diesel LGH (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 Electric/Flex LZ1 Vortec(364) 6L GEN III Electric/Gas LFA Vortec (364) 6L GEN IV CNG LC8 Vortec (364) 6L GEN IV Flex L96 Vortec (364) 6L GEN IV L76 Vortec (364) 6L GEN IV L96 Vortec (364) 6L GEN IV LC8 Vortec (364) 6L GEN IV LY6 Vortec (364) CNG DIESEL ELECTRIC/FLEX ELECTRIC/GAS FLEX GAS Bestop Bestop TrekStep Rear Mounted Step (Black) - 75300-15 75300-15 Bed Mounted Steps and Receiver Mounted Steps