Vintage Firestone tires are exceptional fitments for restoration projects. These blackwall tires are expertly hand-crafted in refurbished original molds and feature authentic tread designs and sidewall markings. These classic Firestone tires feature authentic bias ply construction and are great tires for Model A Fords and similar era automobiles requiring a 19-, 20- or 21-inch tire size. Firestone Bias Ply 19-21 Inch bias ply tires are a premium tire for fine antique automobiles.