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. [American Motors Ambassador: 1971, 1972, 1973, 1974] - [American Motors Gremlin: 1971, 1972, 1973, 1974, 1975] - [American Motors Hornet: 1971, 1972, 1973, 1974, 1975] - [American Motors Javelin: 1971, 1972, 1973, 1974] - [American Motors Matador: 1971, 1972, 1973, 1974, 1975] - [American Motors Pacer: 1975] - [International 100: 1974] - [International 150: 1974, 1975] - [International Scout II: 1974, 1975, 1976, 1977, 1978, 1979, 1980] - [International Travelall: 1975] - [Pontiac Bonneville: 1969, 1970] - [Pontiac Catalina: 1969, 1970] - [Pontiac Executive: 1969, 1970]