Hello,<BR>Model A Fords use a welting between the gas tank and cowl that has a 1/8 inch bead and a 1 1/2 inch skirt. Most Model A vendors will stock same. <BR>If you do ot know any vendors try <A HREF="http://www.modelastuff.com" TARGET=_blank>www.modelastuff.com</A> and look under Gas Tank stuff.