You cannot use conical lug nuts on those wheels, as previously mentioned. The reason is, a conical lug nut must have a conical seat the same angle in order to lock down properly when torqued. Those wheels have a totally flat seat, made to fit a flat washer like what is used on the correct shanked mag wheel lug nuts that are correct on those wheels. These are wheels and tires you're talking about here. It's kinda like airplane wings. If they fall off, bad things happen. Don't arbitrarily just make an ill informed decision when you know nothing about what you're doing. You can risk your life, anyone's lives who ride with you as well as those on the road with you. I don't say that in an insulting manner at all. None of us knows everything by a stretch. If you look at a stock wheel, you will see the conical seat I am speaking about. The conical bevel on the stock lug nut fits into the conical seat and that's what locks the lug nut tight on the wheel. Conversely, the mag wheel lug nuts and flat washers are designed for those Cragars. However, since they are flat washers against a flat surface, they do not have the conical seats, so they DO require periodic re-torquing, because they can and do work loose over time. So when you do them oil changes, make sure grandma's wheels are good and tight. We don't wanna lose grandma.
