Just about any auto parts house over here has these on the shelf. There may be some front end re-build kits available for G body cars that you can also get but I am not aware of them. Here are the MOOG part numbers I have cataloged for my subframe:
Upper Control Arm Bushing Kit #K6176
Lower Control Arm Bushing Kit #K6177
Sway Bar Bushings (Frame Connection) #K5248
Cross Link #DS909
The sway bar links that connect the bar to the lower control arm can be obtained from a company called Energy Suspension. Most of these are low price parts. If you cannot find them in Holland then send me an email and we can work something out as long as it does not include Nigerian Financial wizardry.
I do not think you can buy the stock spindles but I have found a company http://www.performancesuspension.com...edSpindles.htm
that sells dropped spindles for G bodies at a very good price.