Sortitoutsi FM 2014 SS Kits
There are several packs for leagues and nations, you will have to download each of them individually. Here’s how they look:
You can download the kits from here (select the 13/14 ones), instructions on how to install also available in the help and support forum.
More FM 2014 kit packs will be added here as soon as I find them, you can also help by letting me know if you find any good ones before I do.