Nfab Nerf Step Bar, Wheel to Wheel C0189CC Finish: Black Powder Coated;Number of Steps: 4;Bar Diameter: 3;Length: Modular: Welded One Piece Construction;Body Lift Compatibility: Yes;Weight Rating: 445;Sold as a pair CHEVROLET GMC SIERRA 1500 SILVERADO 1500 LS LT SL SLE SLT Z71 2004 2005 2006 4.3L (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 Vortec (294) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III L33 Vortec (325) 5.3L GEN III LM7 Vortec (325) 6L GEN III LQ9 HO Vortec (364) FLEX GAS Nfab N-FAB Wheel To Wheel Nerf Steps (Black) - C0189CC C0189CC Nerf/Step Bar Wheel to Wheel