I've had an issue recently with ARP studs too.. make sure you carefully/hand thread on a lugnut the whole way before going to town with the impact. The threads weren't noticeably bad, but something was off and I've locked up and spun a few in my last batch.
I swear by the ARPs for how often I take my wheels off and on.. but definitely will be checking each of them by fully threading a lug before install in the future.
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06 Enthusiast MT - v2
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