via this auction

This Odyssey has been fully restored by Syntaur here in Texas.
The work recently done:
-rebuilt keybed and replaced all bushings
-cleaned/straightened j-wires and buss bars
-recapped power supply
-tuned and calibrated
-cleaned and lubed all pots, switches and caps
Every slider was desoldered / disassembled / cleaned and lubed.
Here's a link to a video syntaur made about how they restore all of their ARP sliders" [posted here]