Is it possible to replace the soft rubber bushings in the stock track bar with Poly bushings or spherical bearings?

[Chetcpo]

I've had death wobble issues and I can't run my tires below 40psi at highway speeds without getting it. Having the tires inflated to be firmer seems to prevent it but I think it's just a band aid fix and doesn't address the actual problem which I suspect is the soft rubber bushings used in the factory track bar. I saw where this was FCA's solution to the death wobble problem in the Wranglers, to install a track bar with stiffer bushings. I was hoping there's a way to press the soft ones out and install hard poly bushings and if that's not possible maybe to modify it to utilize spherical bearings. Spherical bearings would be ideal but they would have to be lubed and likely replaced often so I'd obviously prefer to go with poly bushings. Is this a product that's available? I've looked and not been able to find anything suitable.

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