Posted on December 30, 2014 by Hot Rods by Boyd New Signature Series Amarillo The new Signature Series Amarillo shown in 20″ full polished. The Amarillo is available in diameters 17″-22″ in a range of widths from 7″ to 15″. Also offered in a variety of our painted finishes. The Amarillo is built to fit most 5 lug vehicles.