6 1/4" x 2 3/4"
1964-65 Oldsmobile models except Vista Cruisers and convertibles
1966-67 Oldsmobile F85, Cutlass, Cutlass Supreme Sport Coupe, and 442 models except convertibles
1966-67 Buick Specials (except convertibles) and Skylark 4 door models
1964-67 Pontiac Tempest models except convertibles