I originally purchased the Yellow Harbor Freight to use on a Stock Dyna Low and it worked Very well. I then lowered the Rear Only 1" and now the jack no longer slides under the bike. So I went out and purchased the Lorin (low 2.5") to the tune of almost $200 (w/shipping) and am VERY disappointed in the Quality. Yes, it is very low and Easily goes under the bike even while using the HD orange snap on frame blocks, but what a cheaply made Jack. The Harbor Freight beats the Lorin "Quality Wise" Hands Down.
I went to the local HD dealer to look at the $400 HD leadscrew (non-hydraulic) jack but they did not have one on display. You have to use the lifting blocks or else your crushing vital parts with the jacks. I don't think the HD leadscrew jack will fit under a 1" lowered FXDL while using the lifting blocks. All would have been OK if I did not lower the bike by 1".
It's ALWAYS a problem once you modify something.
It's back to the drawing board for me & a Big Heads Up to All on the Quality of the Lorin.. So don't be surprised when you open the box and use it.
Hoop!