I believe ATL makes fuel cells with pumps for EFI.  Another option is a external electric pump inline with the gas line with a standard fuel cell.  You just have to drill into the cells fill plate, instal a union and seal it up for your return line.  A buddy has this setup on his autocross car and works very well.  He also runs a adjustable fuel pressure regulator as well.  Hope this helps

Aeromotive makes one as an inline

You can use any standard fuel cell, with external pumps. I set mine up with a factory sending unit, and wish I went with inline pumps. If you are wondering about return lines, buy an extra set of fittings from Mc Colls, or Howie. Drill out the cell with a holesaw, and be done with it. Best way to do it from experience.

Thanks for your input Dougy ;D