2008 Ford F-150 FX4
The 2008 Ford F-150 FX4 tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 2008 Ford F-150
Tire geometry â 255/65R17
The 255/65R17 fitted to the 2008 Ford F-150 has a section width of 255mm and an aspect ratio of 65%, mounted on a 17-inch rim. That gives a sidewall height of 165.8mm (6.53") and an overall outside diameter of 763.3mm (30.05"). At highway speed this tire completes roughly 417 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2008 Ford F-150 while keeping the speedometer accurate, target a 265/58R18 (plus-one). For a softer ride or winter setup, a 245/73R16 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2008 Ford F-150 uses a 6x135 bolt pattern with a 87.1mm hub bore. Safe rim width range for the OEM tire is 7.0J â 8.0J, and offsets in the ET39 â ET49 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2008 Ford F-150 is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| FX4 | 255/65R17 | 17" x 7.5 | ET44 |
Frequently Asked Questions
What tire size does the 2008 Ford F-150 FX4 use?
The 2008 Ford F-150 FX4 uses 255/65R17 tires as standard equipment.
What is the bolt pattern of the 2008 Ford F-150 FX4?
The 2008 Ford F-150 FX4 has a 6x135 bolt pattern with a center bore of 87.1mm.
What is the wheel offset of the 2008 Ford F-150 FX4?
The 2008 Ford F-150 FX4 has a wheel offset of ETET44.