An advantage to bilsteins is that they typically can be re-valved for whatever your needs are pretty much anywhere. If your a DIY type, parts/valves/etc are available to be bought and TONS of aftermarket support.
Fox/hotchkis/viking/whoever might all be great products but valving even when adjustable with knobs, only have so much range and no vendor has been forth coming with with shock dynos with numbers... or even vague questions like what like spring rate/weight are they valved for. Maybe they work well, maybe you have too much spring.
When your out of range or adjustment, or when it needs to be rebuilt/change for your app what do you do? << serious question
While the data and numbers for the tuning codex on the Fox/Hotchkis shocks are not shared information (why would anyone publish inside information for the competition?), they are tuned to a much finer window than any other shocks on the market for our applications now. They are tuneable and rebuildable, but you would have to correlate your own data and find a shock tuner if you wanted to get it even more dialed in. I would say however if you are at that point with these shocks for your specific application you are probably well beyond your average consumer. The Hotchkis adjustable shocks are more than enough for 99% of consumers and hobby racers.
