Safe to use Wheel Adapters 5 on 4" to 4.5"?

......….Are Wheel Adapters 5 on 4" to 4.5" Safe to use?...…..
FWIW, I used adapters on my Barracuda front for over a year for my Draglites with no issues before I swapped to LBC and disc brakes. The SBC Cragars I had on previously were a different story.
Back in the day they actually allowed these adapters at the strip. You learned to take the rear wheels off and check for loose lug nuts on the adapter every couple of runs. But once you've rolled a wheel out from the well and folded up your lower rear quarter because you sheared the 7/16" studs, ya' start looking hard for ways to go to LBC and 1/2" stud axle .

I sold those adapters here some time back ......……..

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