You've got a good plan especially with limited funds.
1. Front Sway Bar
2. Larger torsion bars
3. Firm Feel Stage 3 box. - If you hate the standard Chrysler power steering, then yes this would be next.
I'd skip any changes to the rear brakes, but if the fronts are drums, that might #4 on the list. This depends on how well you've got the drums tuned in, your driving style, and location. It sounds like you may have already bought a front kit, so then its done, go with it.
As far as shocks, see how these work out and what you can do with them.
After those, the next and arguably most important item, is tires for projected uses. BFG T/A and Firestone Indy 500s are Ok on the street and even in snow and on unpaved roads. But there are better options for dry pavement that trade off the versatility.

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