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 Blazer: 1971, 1972, 1973, 1974, 1987, 1988, 1989, 1990, 1991] - [Chevrolet K10 Pickup: 1971, 1972, 1973, 1974] - [Chevrolet K10 Suburban: 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986] - [Chevrolet K10: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986] - [Chevrolet K5 Blazer: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986] - [Chevrolet V10 Suburban: 1987, 1988] - [Chevrolet V10: 1987] - [Chevrolet V1500 Suburban: 1989, 1990, 1991] - [GMC Jimmy: 1971, 1972, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991] - [GMC K15 Suburban: 1975, 1976, 1977, 1978] - [GMC K15/K1500 Pickup: 1971, 1972, 1973, 1974] - [GMC K15/K1500 Suburban: 1971, 1972, 1973, 1974] - [GMC K15: 1975, 1976, 1977, 1978] - [GMC K1500 Suburban: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986] - [GMC K1500: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986] - [GMC V1500 Suburban: 1987, 1988, 1989, 1990, 1991] - [GMC V1500: 1987] - [Jeep Cherokee: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983] - [Jeep Grand Wagoneer: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991] - [Jeep J10: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988] - [Jeep Wagoneer: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983]