There were only two sets left on Amazon when I ordered these, so now one at $557.10. Stiffer bars are even more needed at a higher height so there's no reason to wait. You'll only need to replace the end links when you lower it. Since you're filthy rich and will be getting them, anyway, you might as well just get 'em now while they're available. You won't even feel that $600.
Here:
https://a.co/d/6qKnBbQ
Here's the links you'll need to add to your drop parts. You'll need two of these:
https://a.co/d/bTuWgnu