Found a place online that has the polyurethane sway bar bushings as well as the polyurethane link bushings.

They do not have the brackets that go over the sway bar bushings with zerk fittings, but polyurethane is certainly better than rubber and buying bushings instead of paying $100 or more for a new set of links is great.
Just in case anyone else would like to get them as well, you can find them at:
http://www.jackit.com/
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Jim
2003 Liberty Renegade
Leather Electric Seats
Self-Dimming Mirrors
Sun Roof
MOPAR Rock Rails, Skids, Rear Hitch
EMU Heavy Duty shocks and Springs 2.5" lift
Front Tow Bar (for RV)
Firestone 255 70 16 Destination AT Tires
Straps and Chains
