You don't think upgrading to sport shocks would fix your ride issues? It does look really good!
No, I do not. The Belltech 2/4 kit I got came with the street performance shocks. I am running street performance shocks ONLY in the rear (which people say is much better than the stock rear shocks).
I am running stock shocks in the front (as people said the street performance shocks would be a downgrade if going from the stock shocks **only in front**).
I have not really had any issue with the front. It has all been the rear. I do not think it has anything to do with the shocks either but really all to do with the springs. They are not stiff enough (many people have said they have the same spring rate as the stock springs.... so you are losing 4 inches of travel and they are just as soft as stock. Sounds like a recipe for failure). So the truck is sitting about an inch or less from the bump stops while at rest. There just is not enough suspension travel.
Go look at my post in the lowered forum. I have pictures of how close the rears are sitting.