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. [Ford Club Wagon: 1995, 1996, 1997, 1998] - [Ford E-250 Econoline Club Wagon: 1990, 1991] - [Ford E-250 Econoline: 1990, 1991] - [Ford E-350 Econoline Club Wagon: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000] - [Ford E-350 Econoline: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000] - [Ford E-350 Super Duty: 1999, 2000] - [Ford E-450 Econoline Super Duty Stripped: 2000, 2001, 2002] - [Ford E-450 Econoline Super Duty: 2000, 2001, 2002] - [Ford E-450 Super Duty Stripped Chassis: 2003] - [Ford E-450 Super Duty: 2003, 2004] - [Ford E-550 Econoline Super Duty: 2002] - [Ford Econoline Super Duty: 1996, 1997, 1998, 1999] - [Ford Econoline: 1999] - [Ford F Super Duty: 1990, 1991, 1993, 1994, 1995, 1996, 1997] - [Ford F-250 HD: 1997] - [Ford F-250 Super Duty: 1999, 2000, 2001, 2002, 2003, 2004] - [Ford F-250: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [Ford F-350: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997] - [Ford F350: 1994] - [Ford F-450 Super Duty: 1997] - [Ford F53: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997] - [Ford F59: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997]