I have the teraflex and work great, one pin and they move up and out of the way to stow.

 

Tereflex discos are nice, just make sure you get the right ones... A lot of people w/ the 2.5" tf lifts report a much higher lift, so the 0-3" TF discos might be a bit short. Also, better to get slightly too large than slightly too short imo, in case you decide to put a larger lift on it later down the road.