This information can be found on my Type-R rear swaybar installation instructions ( www.geocities.com/bretq/swaybar_install.html ):

Here are the Acura parts that will be need:
1.) 52300-ST7-Z01 rear swaybar
2.) 52315-ST7-Z01 swaybar bushing (2 needed)
3.) 52308-SS0-000 bushing bracket (2 needed)
4.) 52316-ST7-Z00 endlink bushing (2 needed)
5.) 52312-ST7-Z00 endlink bushing collar (4 needed) – this part can be reused from the stock swaybar
6.) 90175-ST7-Z00 bolt (8x35) (2 needed)
7.) 94050-08080 flange nut (8mm) (2 needed)