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 P10 Series: 1965] - [Dodge Dart: 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972] - [GMC PB1000 Series: 1965, 1966] - [GMC PB1500: 1966] - [Oldsmobile 442: 1965, 1966, 1967, 1968, 1969, 1970, 1971] - [Oldsmobile Cutlass Supreme: 1971, 1972] - [Oldsmobile Cutlass: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972] - [Oldsmobile F85: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972] - [Oldsmobile Jetstar 88: 1964, 1965, 1966] - [Oldsmobile Vista Cruiser: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972] - [Plymouth Barracuda: 1965, 1966, 1967, 1968, 1969] - [Plymouth Duster: 1970, 1971, 1972] - [Plymouth Scamp: 1971, 1972] - [Plymouth Valiant: 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972]