Nfab N-Durastep Nerf Step, with Bed Access NDC99100QC-6 Fits 1999 - 2006 Chevy / GMC 1500, 2500 and 3500 Quad Cab Short Bed;With 6 steps for Bed Access;For use with a 6.5 foot bed;Sold as a pair;Finish: Satin Black CHEVROLET GMC SIERRA 1500 SIERRA 1500 CLASSIC SIERRA 2500 SIERRA 2500 HD SIERRA 2500 HD CLASSIC SILVERADO 1500 SILVERADO 1500 CLASSIC SILVERADO 2500 SILVERADO 2500 HD SILVERADO 2500 HD CLASSIC BASE CLASSIC HYBRID CLASSIC LS CLASSIC LT CLASSIC SL CLASSIC SLE CLASSIC SLT CLASSIC SS CLASSIC WT DENALI HYBRID LS LT SL SLE SLT SS WT Z71 1999 2000 2001 2002 2003 2004 2005 2006 2007 4.3L (262) Vortec 4.3L L35 (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 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) 6.6L Duramax Turbo Diesel LB7 (403) 6.6L Duramax Turbo Diesel LBZ (403) 6.6L Duramax Turbo Diesel LLY (403) 6L GEN III Bi-Fuel LQ4 Vortec (364) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN III LQ9 HO Vortec (364) 8.1L L18 Vortec (496) BI-FUEL CNG DIESEL ELECTRIC/GAS FLEX GAS Nfab N-FAB N-Durastep Nerf Step Bars with Bed Access (Black) - NDC99100QC-6 NDC99100QC-6 Nerf/Step Bar Wheel to Wheel