Like many racing cars, [Wesley] used A-arm suspension on his racing car. By replacing the top arms with telescoping tubes with mounted actuators, the geometry can be actively adjusted.

Now, though, Citroën is developing a new hydraulic suspension system that it's previewing in the Advanced Comfort Concept.

The Type 92 that Lotus raced in the 1983 Formula 1 season used an active hydraulic suspension system to control height as downforce levels increased.

For over 30 years Art Tuason and his team at Hoppo's Custom Suspension Works have devoted themselves to building some of the best hydraulic suspension components around.