Cragar SS Lug Nut/Stud Engagement Question.

I’ve used the 61C Cragar SS on a 69 Barracuda Formula S in the past but with long studs. The lug nuts recommended are conical seat 60 degree. Anyone using these wheels and lug nuts on a car with standard stud length? I want to use on my stock 68 Barracuda but afraid there is not enough lug nut to stud engagement. Seems like these things would come loose. Also these are the drilled 5X4 bolt Cragar.

Thoughts? Thanks !!
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I have new Cragar SS wheels on my 69 Dart GTS. I had the most difficult time finding lug nuts. Summit recommended on their site and when you spoke with them an incorrect lug nut. They were too long and stuck out the back of the wheel making it unable to tighten on factory lug studs. I sent a pretty strong email with my name and phone number with the problem to Cragar. I had a Cragar rep call me. The new Cragar SS wheels, not the older ones take a conical lug nut. I argued that but he told me to go look close at the wheel lug hole to see the taper. He was right I was wrong. I asked which lug nuts to use and he recommended CRR-27802-4. They are 7/16 and only come right handed and in four packs. I got them from Summit Racing. They worked perfectly on my Cragar SS wheels.

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