I have a very strange issue with the driveshaft / hub nuts on my project.

The driveshafts are from an XR4x4 or a Sierra Cosworth but arn't the more standard 20mm / M20 right hand and left hand threaded nut.

After measuring them, they look M22 but I can't seem to find car specific, just Stainless with Nylock.

Any suggestions where I can get some from?

Thanks in advace.