This is a great leveling kit! I chose this style because it's durable, so unlike some other styles there's nothing to bend here. I didn't really know my truck already had a two-tier kit until I took it apart, but went ahead and installed them. The kit that was already on my truck had a different style that was actually curved the way I envisioned it. If you want a perfectly level axis, I would go for the 2.5 inch step. The 2" looks great and is probably a little easier to put back on than the higher end kits.