1999 - 2006 Chevrolet Silverado 1500 2WD. 1999 - 2006 GMC Sierra 1500 2WD. 2007 Chevrolet Silverado 1500 2WD (With CLASSIC Body Style). 2007 GMC Sierra 1500 2WD (with CLASSIC Body Style). These coil spacers are made from a High grade composite material.
