With aftermarket rims, does the center bore have to be exact for the rim to fit right?

Question

I'm getting aftermarket rims for my truck. I'm curious if the center bore has to be the exact same size so the rim will fit right, or will the lug nuts hold the rim good enough?

Answer 1

The hub center is HUGELY IMPORTANT. I can't tell you how many vibration issues I have had to deal with from people who put ill-fitting aftermarket rims on their vehicles. Every single one of them had oversized hub centers or were missing the centering rings included with their wheels (did I need those?).

Answer 2

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RE:

With aftermarket rims, does the center bore have to be exact for the rim to fit right?

I'm getting aftermarket rims for my truck. I'm curious if the center bore has to be the exact same size so the rim will fit right, or will the lug nuts hold the rim good enough?

Answer 3

Nah,.. the center bore size is not a big deal, unless its smaller than stock. -which is something you would notice right away by not being able to get the rim on without modification. The lugs will indeed hold the rim on...



What you really have to worry about is whether or not the off set of the rim is the same as the stock rim; people all the time are putting on aftermarket rims without the slightest bit of thought given to the designed steering geometry of the vehicle, them go out and mount some snazzy rims and wonder why the vehicle drives funny, then starts ruining front end parts....



(e) ummm, the caliper issue would just be common sense.

Answer 4

Steel wheels still slide over the hub without much clearance as a convenience guide to locate the holes on the wheels to the studs. Actually both steel and aluminum wheels are located and secured by the taper of the lug nut as it tightens to the wheel. The wheel center isn't the wheel locating area.



The same snug wheel guide center can't be said for aluminum wheels. Electrolysis and corrosion causes aluminum to stick to the steel hubs if they fit over the hub centers too tightly. As a matter of fact it's a good plan to coat the hub flange or the stud flange of the aluminum wheels with Never Seize to prevent the wheels from sticking on the hubs.



I know there will be some argument about this but I've always wiped a small coating of Never Seize on the studs and the tapers of the stud nuts. You'll get a more uniform "feel" when tightening the lugs and when removing them they'll never stick or tear aluminum from the wheel tapers.

Answer 5

YES. It does have to be the same center bore. I have this problem right now on my wife's car and was looking around to find the hub bore specs for Starr Wheels. You MUST get a hub ring for each aftermarket rim. Not using them can cause the wheel studs to snap off from vibrations.

Answer 6

Yes and no. If the wheel's center-bore is bigger than the car's hub, and the wheels use tapered lug nuts, then no, because the tapered lug nuts will automatically center the wheel. But with the same wheel center-bore/hub situation, if your wheels require mag-type lug nuts, these lug nuts won't center the wheel and you'll end up with a vibration problem. You would have to use hub spacers to take up that gap between the hub and the center-bore. Of course if the wheel's center bore is smaller than the hub, it won't even sit flush. Hope this helps.

Answer 7

Yes, but if you get a wheel with a smaller bore you can just go to a machine shop and they can cut a little off the wheel to fit your ride.. like mine for instance. Its a 73 and the wheels that i got were 63.. i just shaved a little and they fit perfect

Answer 8

Hub Bore

Answer 9

as long as the wheel goes on and flushes the rotor, yes the lugs will hold it.any1 ever have an old universal wheel that was crooked?god im old,it just humps up and down,mine were us slot mags.

Answer 10

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machine shop might be able to bore it for a couple bucks. might be able to get away with like a 1/2" spacer