I just wanted to point out that Belmetric has a much larger inventory than in the last few years:
They have the exhaust nuts that are expensive elsewhere:
https://www.belmetric.com/hex-with-flange-c-3_51_53/
They have the "jis" nuts that I use on exhaust because it gives me more room for a wrench:
https://www.belmetric.com/jis-small-wrench-nuts-c-3_58/
They have our oil drain plug gaskets:
https://www.belmetric.com/hollow-crush-gaskets-c-11_94/
And they even carry the grade 8.8 metric all thread that I have used to make exhaust studs:
https://www.belmetric.com/88-coarse-fine-th...rods-c-551_553/
They have metric thread repair kits:
https://www.belmetric.com/time-sert-thread-repair-c-217/
Again, I have no affiliation, but this place is excellent support for our hobby and I want to make sure they stay in business. I have ordered from them MANY times in the last few years during my build.
They even carry all the parts required to make the proper brake lines.
https://www.belmetric.com/brake-lines-fittings-c-17/
Enjoy