A 2017 Ford F-350 bolt pattern is PCD 8x170, which means there are eight bolts arranged in a circle that is 170 millimeters in diameter.
Knowing your Ford F-350
’s wheel bolt pattern is important if you want to upgrade your wheels to something bigger for off-roading or some other high-intensity activity. Here to show you how to measure your Ford F-350’s bolt pattern is car insurance
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The bolt pattern for the 2017 Ford F-350 is 8 x 170.
What does that mean? Bolt patterns—aka lug patterns—are written as two numbers. The first number tells you how many bolts are used to secure the wheel to the vehicle. In this case, there are eight bolts.
The second number tells you the diameter of the circle in which these eight lugs are arranged on the wheel. This number is either written in inches or millimeters. In the case of the 2017 Ford F-350, wheel bolts are arranged in a circle with a diameter of 170 millimeters.
On top of these numbers, you’ll also need to know your wheel’s offset—that is, the distance from your wheel’s mounting surface to the wheel’s center—what size bolts to use, and the torque specifications for tightening those bolts.
Here’s what you’re looking at for the 2017 Ford F-350:
Factory wheel size: 17” to 20”
Wheel tightening torque: 224 Nm
How to measure your Ford F-350’s bolt pattern
If you need to double-check your Ford F-350’s bolt pattern for yourself, there’s a way to do that. Using a tape measure or a plain old ruler, measure the distance from the center of one lug hole to the center of the opposite lug hole. That measurement is the Pitch Circle Diameter (PCD).
The PCD is measured in millimeters on the Ford F-350, so you’ll want to use a metric measuring device to get the proper spec. Then, count the number of bolt holes on the wheel, and plug it into this formula: number of bolt holes x PCD.
How to optimize your Ford’s insurance coverage
Upgrading the wheels on your Ford F-350 is just one of the things you’ll need to do to prepare it for off-roading or other heavy-duty tasks. To be fully prepared, you’ll need to upgrade your auto coverage, too.
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