X2

They should all be here:

If you want oem hardware your going to have to pay more money on that sort of stuff. I dont knoe how much is still available these days. But you could save some money and order if all from a local hardware store once you have all the correct sizes you need. Its all going to be metric fine in the coase of all DSM's, the only one thats normal spec is M8 but dont think youbhave any M8 on the frames. For any bolts that use a nut on the end you can opt for a less espensive metric course and locking nut and that will help save some special costs as fine threads cost more then regular threads.

You have to also be careful with hardware ratings also though doing this route.
Most suspension bolts are a grade 10.9 minimun for lower arms. So you can buy flanged bolts in 10.9 or opt to go socket cap 12.9! Some 12.9 is not possible to get in zine without a huge cost but search around.

All braces and non critical can be 8.8.dont use stainless on critical parts either as even A4 316 wont be as strong as a 10.9.

I use socket caps alot myself just for looks and strength. If you like oem then you can opt for oem or flanged bolts as mentioned above in yellow zinc to be of a closer match to your needs.

A few options to go on depending on your budget and time frame if you wish to manually work all the lengths out and order in

Our local Fastenal store has all the metric stuff. If you have one of those stores close to you, they can help match up anything you have and can order any oddball hardware. Just another source.

Bolts are bolts cheaper at the hardware stores, its a 30 year old car you may not find parts for it, just get the right grade