"Air jacks" are devices that use compressed air to lift heavy objects, like cars or machinery, off the ground.
Sentences with «air jacks»
An onboard air jacking system simplifies tire changes. (automobilemag.com)
The GT had already featured a radically styled body, but the GTR took this a little further with features such as a very large rear spoiler bolted directly to the chassis like a true race car, 18 inch hollow magnesium Speedline centerlock wheels, pneumatic air jacks for raising the car in the pit lane (like the SV - R, it was too low for a rolling jack), and an emergency fuel shutoff switch on the left front fender. (en.wikipedia.org)
«Our teammates did a fantastic job recovering from a broken air jack and losing some time. (corvetteracing.com)