99 Silverado Bolt Pattern

2001 chevy silverado 1500 bolt pattern
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99 Silverado Bolt Pattern


The bolt pattern of a vehicle refers to the number of lug studs and the diameter of the circle they form. In the case of the 99 Silverado, the bolt pattern is essential to know when purchasing aftermarket wheels or considering a wheel upgrade. This article will provide you with all the information you need about the 99 Silverado bolt pattern.

What is a Bolt Pattern?

A bolt pattern is usually represented by two numbers, for example, 5×120. The first number indicates the number of lug studs, while the second number represents the diameter of the circle formed by those studs (in millimeters). In the case of the 99 Silverado, the bolt pattern is 6×139.7.

Why is it Important?

Knowing the bolt pattern of your vehicle is crucial because it determines the compatibility of wheels. If you want to install aftermarket wheels, they must have the same bolt pattern as your vehicle. Choosing the wrong bolt pattern can lead to improper fitment, affecting performance and safety.

How to Measure Bolt Pattern?

Measuring the bolt pattern is relatively simple. If your Silverado has six lug studs, you need to measure the distance between the center of one stud to the center of the opposite stud. In the case of the 99 Silverado, this distance will be 139.7 millimeters.

Compatible Vehicles

Understanding the bolt pattern of the 99 Silverado allows you to identify other vehicles that share the same pattern. Some compatible vehicles include the Chevrolet Tahoe, GMC Sierra, and Cadillac Escalade. This information can be helpful when looking for spare wheels or considering wheel swaps.

Wheel Upgrade Options

Knowing the bolt pattern opens up a wide range of wheel upgrade options for your 99 Silverado. You can choose from various sizes, styles, and finishes to enhance the appearance and performance of your vehicle. Just ensure that the new wheels have the correct bolt pattern.


Understanding the 99 Silverado bolt pattern is essential for anyone looking to upgrade their wheels or purchase aftermarket options. By knowing the bolt pattern, you can ensure proper fitment and avoid any potential issues. Remember to measure accurately and consult experts if you have any doubts.