I remember an issue coming up that the steering rack bushing was hard to find
This company has some:
https://store.partsshopmax.com/shop/...s/Z34SRSB.html
For solid bushings, SPL has you otherwise covered
Alternatively, as mentioned above, super pro is good. They do stuff for a lotta cars
Whiteline and energy suspension make urethane options. Z1 carries them.
If you are unaware, Metal will increase road noise and feel, so your taste may vary. Plastic will be more “livable”