Looking for: the ultimate lighting kit for your GMC HD? Look no further! our shop is a proud distributor for Baja Designs, the 30" OnX6+ kit is the kit for you, it includes everything you need, the light, wiring harness, and mounts. This kit is perfectly concealed behind the grille, and mounting the light doesn't require any drilling or modifications to your vehicle. This bar is equipped with BMT: Battery Management Technology. Elimination Of Flickering at Low Voltage. Added Protection to Vehicle Wiring and Systems. Protection from Dangerous Current Spikes. The OnX6+ LED Light Bar is BRIGHTER. BOLDER. BETTER. Baja Designs Features: uService: So you can replace the Lenses And Optics. ClearView: Gives you all The light, right where you need it most! MoistureBlock means they are Waterproof, Rain Proof, Submersible. And Baja CopperDrive: These are the only LED products on the market driven at 100%! 5000K Daylight - Less Fatigue for you as the driver & Natural Color.