Qa1 6 link kit?

Yup. Torsion bars first. Those with the shocks will totally transform your car's handling, even without the other modifications. Then you can continue to tune as you go and decide how far you want to go.

The steering is manageable, I still run the stock power steering in my challenger (federal pump). If you can reduce the pressure by shimming your pump in the meantime that will help a lot too.