Upper front wishbone.
Upper front control arm.
Upper front camber arm.
You can buy from Nissan, replacement bushes from Nismo (Greenline do them), Nismo complete arms (painted silver with the uprated bushes fitted), or from a host of aftermarket sources.....
Cusco, Kakimoto, Midori, JIC etc etc
The aftermarket ones (except JIC) have roller bearings instead of rubber bushes.