Vision Design Studios created a web page to choose the way you want your Sportster gas tank to be custom (re) built. You choose your style, mounting position and configuration right down to the position of your fuel petcock (if your bike is carburated). Frisco mount tunnel? Dished in tank sides? Sight glass? Relocated gas cap? etc.
This service is offered only for has tanks for years 2004 to 2010, but more styles coming soon. You can even choose your painted logo like on this picture. Starting At $199.00. At Vision Design Studios.