Hub Centric Ring O.D. 108mm I.D. 87.1mm Ford Navigator
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One set of 4 hub centric rings with O.D. (outer diameter) of 108mm and I.D. (inner diameter) of 87mm. These rings are made of high quality poly carbon. To determine proper fitment you need to do a couple of things. First you need to determine the center bore size, i.e. O.D. of the aftermarket wheel. Contact your wheel dealer if needed. Then find out the vehicle hub size, i.e. I.D. When these match our hub ring description, then they are the right size. These hub rings will fit the following cars and trucks
Size: 
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Fitment and specs
- Outer diameter: 108mm, sized for wheels with a 108mm center bore
- Inner diameter: 87.1mm, sized for the Ford and Lincoln truck hub
- Set of 4 rings, one for each wheel
- High quality poly carbon construction
- Applications include Ford E-150, Expedition, and F150, plus Lincoln Blackwood, Navigator, and Mark LT
Press each ring into the center bore on the back side of the wheel until it sits flush, then hang the wheel on the hub as usual. A clean hub face helps the ring seat fully, so wipe away dirt before installing. No tools or adhesive are required.
Common questions
Do hub centric rings change how the wheel sits on the truck?
No. The ring hides inside the wheel's center bore, so it adds no width and does not change offset or stance. Its job is simply to keep the wheel precisely centered on the 87.1mm hub for a smooth, true-running fit.
Is poly carbon a good material for hub rings?
Yes. Poly carbon holds the exact 108mm to 87.1mm dimensions, and unlike bare metal rings it will not corrode or seize to the hub, which makes future tire rotations and wheel swaps easier.