A quick update. Just got this little jack. See video. 4-1/2" to just under 12". Capacity is 3,600 lbs.
It fits perfectly inside the cross member of the Kwiklift.
The video is just my first-fire with air.
I'm pretty impressed, but we shall see...
[ame]https://www.youtube.com/watch?v=lbEOa3U0zBg[/ame]