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) - [Chevrolet C30 Pickup: 1967, 1968, 1969, 1970] - [Chevrolet P30 Series: 1967] - [Chevrolet P30 Van: 1968, 1969, 1970] - [GMC C35/C3500 Pickup: 1967, 1968, 1969, 1970] - [GMC P35/P3500 Van: 1967, 1968, 1969, 1970]

