READ FITMENT: 2001 - 2003/2005 - 2007 CHEVROLET SILVERADO 1500 HD(2WD or 4WD 8 Lug Models (WILL NOT FIT 4 WHEEL STEERING MODELS)| 2004 CHEVROLET SILVERADO 1500 HD 2WD or 4WD 8 Lug Models (MEASURE HUB HOLE - THESE ARE 4.63" HUB HOLE, NOT THE 4.83") | 2001 - 2003/2005 - 2007 GMC SIERRA 1500 HD 2WD or 4WD 8 Lug Models (WILL NOTFIT 4 WHEEL STEERING MODELS) | 2004 GMC SIERRA 1500 HD 2WD or 4WD 8 Lug Models (MEASURE HUB HOLE - THESE ARE 4.63" HUB HOLE, NOT THE 4.83").