2008 Chevy Silverado Bolt Pattern

Your 2008 Chevy Silverado bolt pattern is 6x5.5 or “6 on 5.5,” meaning each wheel has six lugs arranged in a circle with a diameter of 5.5 inches.
Written by John Davis
Reviewed by Melanie Reiff
Your 2008 Chevy Silverado bolt pattern is 6x5.5 or "6 on 5.5." That means that each of your Silverado's wheels has six lugs placed in a circle measuring 5.5 inches across.
The 2008 Chevy Silverado is a stout pickup truck that can handle hard work or play. And while the 2008 Silverado has a rugged, muscular appearance, its stock wheels are nothing special. If you'd like to boost your Chevy's style, a fresh set of wheel upgrades is a great entry-level modification.
And luckily, you're in the right place to find all of the information you need to purchase some new wheels. This article will cover all the facts about your 2008 Chevy Silverado bolt pattern so you can upgrade correctly.
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2008 Chevy Silverado bolt pattern

What if you want to throw some
Chevy Corvette
wheels on your pickup? Well, thanks to the variation in Chevy lug patterns, you'll have to rethink that idea. Instead, you need to find a set of wheels that matches your 2008 Silverado bolt pattern—6x5.5 or "6 on 5.5."
If those numbers look strange or meaningless, don't stress. Car lug patterns are relatively simple to decode like this:
# of bolts x diameters of the circle they create
Your 2008 Chevy Silverado's 6x5.5 bolt pattern means that every one of its wheels has six lugs that make a circle with a diameter of 5.5 inches
However, if you're shopping for wheel upgrades, you'll need to know more than just the bolt pattern. Your pickup's center bore measurement, wheel offset, stud size, and torque specifications are all must-have pieces of information you need to make your purchase.
  • Factory wheel size: 17, 18, or 20 inches
  • Stud size: M14 x 1.5
  • Offset: 20 to 40 mm
  • Center bore: 78.1 mm
  • Wheel tightening torque: 190 Nm

How to measure your 2008 Chevy Silverado bolt pattern

If you’re only shopping for wheel upgrades, then the information above should cover everything you need to make your purchase. But if you want to learn how to measure your bolt pattern, there's a quick and simple method you can use.
You don't need any fancy or industry-specific tools—a basic ruler or measuring tape will work just fine. When you've got your measuring device, pick any lug and measure from its middle point to the center of the bolt directly across from it
That number will be your bolt pattern diameter. Stick it next to the number of lugs, and that's your 2008 Chevy Silverado bolt pattern!
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The bolt pattern on a 2008 Chevy Silverado is 6x5.5 or "6 on 5.5", meaning that each wheel has six lugs that sit in a circle measuring 5.5 inches across.
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