Reproduction 70-74 E-Body and 71-72 B-Body 26″ Radiator Support . This rad support will fit all Hardtop’s, Convertibles Sedan’s & Wagon’s. If you you need the standard size 22″ support we probably have used in stock. B Body’s used the 26″ support with factory AC, trailer tow and 3.55 and higher gear ratios. This part is necessary if you want to upgrade your cooling system to the larger 26″ radiator. Manufactured by AMD.