I personally have not done this upgrade yet to my 02 but I'm very interested in do it. I've asked this question before and with the same response.
Use the search function...

I hate when I get that

but oh well. I've posted a couple of threads where most of the work has been done.
Rear sway bar diameter/Front sway bar Diameter: SPORT Model Lincoln LS
http://www.lincolnvscadillac.com/showthread.php?t=46578
New sway bar bushings Lincoln LS
http://www.lincolnvscadillac.com/showthread.php?t=44894&highlight=Swaybar+Bushings
Sway bar bushings Lincoln LS
http://www.lincolnvscadillac.com/showthread.php?t=33676&highlight=Swaybar+Bushings
I wish there was a sicky for the upgrading suspension on here. You know an End all Be all place to look up information if you have questions about this area. Hope this helps and please let us know if it all works out.