Sway bar bushings...
 

My originals were brittle and dry-rotted. I have been unable to find a replacement locally. What all of the parts stores have available are way off. I don't want to order from an online supplier and have to send them back. And I do not want poly bushings. NPD is about 2 hours NW of me, I may take a ride out there when I have a worthwhile list of things I need.

Front or back sway bar? If it is stock a GM dealer should have them. I had no problem getting mine from a local vendor.

Front. I'll check with the local dealerships, but they usually roll their eyes when you ask for a part for anything more than 12 years old. I have a good contact @ NPD from when I used to work there. I am going to text him a picture of my old bushings today and see if what they have matches up. Ground Up only offers a kit with the brackets included. My brackets are in great shape, plus I have already cleaned and painted them.

NPD had what I needed, fairly cheap too - $9.95 for the pair.