These wheel lug studs are made of carbon steel and tested to demanding automotive industry standards to ensure strength, longevity and safety. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet C35: 1993, 1994, 1995] - [Chevrolet C3500: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000] - [Chevrolet C3500HD: 1991] - [Chevrolet Express 3500: 1996, 1997, 1998, 1999, 2000, 2001, 2002] - [Chevrolet G30: 2001, 2002] - [GMC C3500: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000] - [GMC C3500HD: 1991] - [GMC Savana 3500: 1996, 1997, 1998, 1999, 2000, 2001, 2002]