1999 Ford F-250 Bolt Pattern

Your bolt pattern is 8x6.7—but we’ll explain how to measure it for yourself, along with the stud size and offset specs for your 1999 Ford F-250.
Written by Bonnie Stinson
Reviewed by Melanie Reiff
background
A 1999 Ford F-250 bolt pattern is 8x6.7. This means that every tire on your truck has eight bolts, and those eight bolts form a circle that is 6.7 inches in diameter.
Upgrading your wheels is a great way to improve the performance of your truck. But you need to know the specs before you can shop for new parts. In addition to the lug pattern, you’ll need to know your offset, stud size, and torque specifications.
Here is a quick guide to the most important wheel specs for a 1999 Ford F-250. Check them twice or screenshot this page! Remember that some modifications can affect your
car insurance
coverage, so check with your provider before making any serious changes to your truck. 
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1999 Ford F-250 bolt pattern

A 1999 F-250’s bolt pattern is 8x6.7.
Here’s what a bolt pattern actually means:
# of bolts x diameter of the circle they form
The first number is how many bolts per wheel. So, in your F-250, you have eight bolts per wheel. The second number (6.7) is the diameter (in inches) that those bolts form. 
Although some Fords will have the same lug pattern, your
Ford lug pattern
depends on your model year, trim level, and other configurations—so don’t simply assume your truck has the same lug pattern as your friend’s.
You also need a few other bits of information before you can head to the store and start the process to switch out your wheels. You will need your truck’s wheel size, stud size, offset, center bore, and torque specifications:
  • Factory wheel size: 16”
  • Stud size: M14 x 2.0
  • Offset: -10 to 15 mm 
  • Center bore: 124.9 mm 
  • Wheel tightening torque: 224 Nm 
Again, your own F-250’s configurations may mean some of these measurements might differ for your own truck. You can confirm this information for yourself by checking your owner’s manual.

How to measure your Ford F-250’s bolt pattern

Grab a measuring tape or ruler and you can measure your Fold bolt pattern all by yourself. 
Pick one wheel on your truck and then pick one of its bolts. It doesn’t matter which one. Now, start your measurement at the center of the lug hole. 
Since your F-250 has eight bolts, you can move the other end of your ruler to the center of the lug hole directly opposite it. Your line of measurement should divide the hub in half.
The measurement on your ruler is the diameter, and it should measure 6.7 inches. In addition to the number of bolts on each wheel (8), you’ve confirmed that your 1999 Ford F-250 bolt pattern is 8x6.7.
Nice work!
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FAQ

The bolt pattern on a 1999 F-250 is 8x6.7—eight bolts arranged in a 6.7-inch-diameter circle.
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