Re: upper a arm
I dont know why not but you will want to tack weld them in place otherwise they will be tough or impossible to tighten. The guys at the alignment shop would hate you lol.
They are a knurled end just like a stud for your wheels.
They will need to be grade 8. I cant remember if I replaced mine or not when I had them out I think they are kindof a "specialty" fastener a little hard to find the correct ones. If they are spinning then your hole has enlarged so unless you weld some on your hole chances are the new ones will also spin.
Good luck
David
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Dave
1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
"A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome".
"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
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