Maybe 8000 miles, had it off road a bit including an off-road park. The ratio is slightly different but I adapted to the change within a couple days despite having this truck a decade.
My only issue that happened around the same time was the...
The GX460 rack and tie rods are all bigger already, and when you order a rack from toyota/lexus you get new tie rods.
I used a 9/16 drill bit to open them up, and you want to buy two GX460/5th gen 4runner bolts and nuts to replace your old ones...
Not saying it's bad, but you could buy a GX460 rack for less than half of just getting the base Toyo one and not have to ream spindles. It just requires the two mounting holes to be drilled out a bit bigger.
I did the bushings and ball joint at 170000 miles or so in the Pacific Northwest climate and it was a real bear.
One downside over OEM is that you can’t get an OEM ball joint, sankie 555 is probably the best you can go.
Of the four bushings...
The only issues are KDSS and spring perches.
If you have KDSS you’d be better to look at TRD off-road 5th gen pulls as they have the KDSS mounts.
If you have swapped to springs they bolt up and are the stronger 8.2 plus have a factory locker...