1967 - 1970 Chevrolet 40 Series; 1967 - 1970 Chevrolet 400 Series; 1967 - 1970 Chevrolet 4000 Series; 1967 - 1970 Chevrolet 500 Series; 1967 - 1970 Chevrolet 5000 Series; 1967 - 1969 Chevrolet 600 Series; 1967 - 1969 Chevrolet 6000 Series; 1967 - 1972 GMC 4000 Series; 1967 - 1972 GMC 450 Series; 1967 - 1972 GMC 4500 Series; 1967 - 1970 GMC 5000 Series; 1967 - 1970 GMC 550 Series; 1967 - 1970 GMC 5500 Series