Stiff front end looking at aftermarket solutions

First off, this is a E-body but still wanting opinion of ease and price of what aftermarket front end you when with on your mopar. And what you might do differently next time
My front end got disc front brakes and new urethane bushing all the way thru some 15 years ago.
I'm a drag racer and thought about posting up there, but felt here would give me more answer.

Here is a short video that show just how stiff it really is. complete stock suspension right now.