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) - [International 1000A: 1966] - [International 1000B: 1967] - [International 1000C: 1968] - [International 1000D: 1969, 1970] - [International 1010: 1971, 1972, 1973] - [International 1100A: 1966] - [International 1100B: 1967] - [International 1100C: 1968] - [International 1100D: 1969, 1970] - [International 1110: 1971, 1972, 1973] - [International 900A: 1966, 1967] - [International 908B: 1967] - [International 908C: 1968, 1969] - [International C900: 1964] - [International Scout II: 1971, 1972, 1973] - [International Scout: 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971] - [Oldsmobile 98: 1964, 1965, 1966, 1967, 1968, 1969, 1970] - [Oldsmobile Delmont 88: 1967, 1968] - [Oldsmobile Delta 88: 1965, 1966, 1967, 1968, 1969, 1970] - [Oldsmobile Dynamic 88: 1965, 1966]