http://www.pelicanparts.com/catalog/...ACHyd1_pg2.htm
The DK20Q reaches easily at stock height. Lowered about .75" it has trouble, but doable. You slide the whole thing under the front bumper.
BTW, absolutely love the jack. Most solid low profile one I know of. With the rubber pad you won't damage your side jacking points or the rear under the diff. And price = safety first. There's your justification.