They write the ads for the seller. It is a regular AHC lift. I used factory non-ahc springs and torsion bars to compensate for the extra weight of the bumpers and such. Doing it this way made it ride like stock LX.
My LX is now live on cars and bids if anyone is interested.
https://carsandbids.com/auctions/35Rp0kPj/2003-lexus-lx-470?c=all
If you have any questions let me know.