Fabricated A-Body spindle ideas and discussion

Is there a viable bearing/spindle cartridge that uses 5 x 4.5" lug spacing? My intention is to run a square tire setup so I can even wear on the tires a bit and having the same bolt pattern front and back would be required. I haven't figured out if the backspacing will allow that, but I'm heading that direction until I find out that I can't.

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