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 C20 Panel: 1967] - [Chevrolet C20 Pickup: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970] - [Chevrolet C20 Suburban: 1967, 1968, 1969, 1970] - [Chevrolet C30 Panel: 1960, 1961, 1962, 1963, 1964, 1965, 1966] - [Chevrolet C30 Pickup: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970] - [Chevrolet P20 Van: 1968, 1969, 1970] - [Chevrolet P30 Series: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967] - [Chevrolet P30 Van: 1968, 1969, 1970] - [Chevrolet Truck: 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959] - [GMC 250: 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959] - [GMC 2500 Series: 1960, 1961, 1962, 1963, 1964, 1965] - [GMC C25/C2500 Pickup: 1967, 1968, 1969, 1970] - [GMC C25/C2500 Suburban: 1968, 1969, 1970] - [GMC C35/C3500 Pickup: 1967, 1968, 1969, 1970] - [GMC P25/P2500 Van: 1968, 1969, 1970] - [GMC P35/P3500 Van: 1967, 1968, 1969, 1970] - [GMC PB3500 Van: 1966] - [GMC Truck: 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959]