Originally Posted by VABAM

I have track time, Tail of the Dragon time, Hell Bender Time, and other twisty road time on my spacers.
No issues.
Lugs have never loosen on me.
I use 10mm Z1 Hub Centric Wheel Spacers & Extended Studs on my rear wheels.

I would definitely will not use bolt on spacers for any type of performance driving.