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All Terrain tyres for a start. Those roads can be rough with a lot of rocks so a tough Light Truck rated tyre would be my suggestion. Also compressor, gauge and tyre plugs.
Bull bar and driving lights (if driving in dark).
2 inch lift with heavier springs.
If you have a fridge then some sort of dual battery system (under bonnet or in cargo area).
That would be a minimum setup. Also think about a UHF as you can use it to call other people close by.