These wheel lug studs are made of carbon steel and tested to demanding automotive industry standards to ensure strength, longevity and safety. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Ford Probe: 1989, 1990, 1991, 1992] - [Kia Sportage: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002] - [Mazda 323: 1986, 1987, 1988, 1989] - [Mazda 626: 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992] - [Mazda 929: 1988, 1989, 1990, 1991] - [Mazda B1600: 1976] - [Mazda B2000: 1979, 1980, 1981, 1982, 1983, 1984, 1986, 1987] - [Mazda B2200: 1982, 1983, 1984, 1987, 1988, 1989, 1990, 1991, 1992, 1993] - [Mazda B2600: 1987, 1988, 1989, 1990, 1991, 1992, 1993] - [Mazda Cosmo: 1976, 1977, 1978] - [Mazda GLC: 1981, 1982, 1983, 1984, 1985] - [Mazda MX-6: 1988, 1989, 1990, 1991, 1992] - [Mazda Rotary Pickup: 1974, 1975, 1976, 1977] - [Mazda RX-7: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991] - [Mercury Capri: 1991, 1992, 1993, 1994] - [Mercury Tracer: 1987, 1988, 1989]