Pricing for Arteb headlights, as of this writing, will be ~US$250, delivered to your door from Brazil, for one new pair. If you want multiple pairs, they are offered at a discount b/c the shipping cost is less per-pair.
Take a look here for how to get them:
Post in thread 'Arteb Headlights / Taillights End-of-Life (?)'
https://www.gmt400.com/threads/arteb-headlights-taillights-end-of-life.63941/post-1368138
The Arteb turn signals are discontinued but they’re still available NOS on the secondary market in Brazil. They aren't that remarkable as they look almost exactly like the US turn signals; see the attached picture. If anyone really wants them, we can ship them to the US if we can find them.
Take a look at this post and the one following for information about the taillights, there are a number of related links given:
Post in thread 'Arteb Headlights / Taillights End-of-Life (?)'
https://www.gmt400.com/threads/arteb-headlights-taillights-end-of-life.63941/post-1346248