Ran across this and thought maybe some people with very low cars might be interested:

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The Umbrella Auto Design variable ride height (VRH) suspension system is the perfect solution for low ground clearance sports and exotic cars.

The system is comprised of billet aluminum pneumatic lift canisters, paired with an ultra compact and lightweight control system. Once installed you have the option to raise or lower your car up to 75mm on the fly at the push of a button. Coilover shock absorbers or a coilover sleeve conversion system are required for installation, if you do not yet have coilovers we can supply them as well. VRH systems are available in front only or 4 wheel configurations.

Total system weight for a 2 wheel kit is approximately 13 lbs complete & 17 lbs for a 4 wheel kit complete. The VRH system requires coilovers or a sleeve conversion with monoball top mounts, if your current coilovers do not have monoball top mounts we can supply at an additional charge.