Go Rhino 03-06 Chevrolet Silverado 1500/2500LD RC2 BracketsThese brackets are bolted to the backside of the bull bar where they are virtually hidden from sight when installed and are then bolted to the vehicle, no drilling required. Installation Instructions This Part Fits: Year Make Model Submodel 2003 2005 Chevrolet Silverado 1500 Base 2004 2006 Chevrolet Silverado 1500 Hybrid 2003 2006 Chevrolet Silverado 1500 LS 2003 2006 Chevrolet Silverado 1500 LT 2003 2006 Chevrolet Silverado 1500 SS 2003 2006