Rock Slider Powder coated textured black;3/16 steel;Made in the USA GMC SIERRA 1500 SIERRA 1500 CLASSIC SIERRA 1500 HD CLASSIC SIERRA 2500 HD SIERRA 2500 HD CLASSIC SIERRA 3500 SIERRA 3500 CLASSIC SIERRA 3500 HD BASE CLASSIC DENALI CLASSIC HYBRID CLASSIC SL CLASSIC SLE CLASSIC SLT CLASSIC WT DENALI HYBRID SL SLE SLT WT XFE 2007 2008 2009 2010 2011 2012 2013 4.3L (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 Vortec (294) 4.8L GEN IV Flex L20 Vortec (294) 4.8L GEN IV LY2 Vortec (294) 5.3L GEN III Electric/Gas LM7 (325) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III L33 Vortec (325) 5.3L GEN III LM7 Vortec (325) 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) 6.2L GEN IV L92 Vortec (378) 6.6L Duramax Turbo Diesel LBZ (403) 6.6L Duramax Turbo Diesel LGH (400) 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 (400) 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 III LQ4 Vortec (364) 6L GEN III LQ9 HO 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 LY6 Vortec (364) 8.1L L18 Vortec (496) CNG DIESEL ELECTRIC/FLEX ELECTRIC/GAS FLEX GAS Rock Slide Engineering Rock-Slide Engineering Rock-Slider (Black) - BD-SS-100-GMC BD-SS-100-GMC Rock Sliders and Guards