Tools & Fabrication - Low pro, high lift jack

I'm looking for a good low profile high lift jack. I'm about ready to swap my stock 4l60 for an FLT level 5. I already have a transmission jack that has a collapsed height of 8", now with the transmission being 17 3/4" plus the transmission jack of 8" I'll need the front of the car at least 26" off the ground to slide the transmissions in and out. Best deal I seen so far was at harbor freight, 3ton low pro with a max lift height of 21", and it was priced at $130. If I got this one I would have to do some blocking under the k member to get the height I need, I would rather not do that. So if there is any other jacks that any of you guys know of that will fit my needs, please let me know.

Thanks as always,
Jason

harbor freight or your local swap meet