As a Chevrolet 2500 owner, it is important to know certain specs of your truck to ensure you perform the right maintenance and buy the correct parts, such as new wheels. When upgrading your truck’s wheels, you will need to know the lug pattern on your Chevrolet 2500.
Your lug pattern or bolt pattern is the number and spacing of the lug hold opening that matches your vehicle hub’s stud or bolt pattern.
This, along with the correct offset and backspacing, will allow you to choose the correct wheels that will fit your truck without any issues. Choosing the wrong specs will result in purchasing wheels that do not fit or wheels that rub the inner fenders or suspension components.
Chevy Silverado 2500 Lug Pattern Chart
To give you the easiest lug pattern guide for the Chevy 2500, we have listed them in an easy-to-use chart below.
|Year Model||Lug Pattern||Center Bore|
As you can see, Chevrolet has not tweaked the lug pattern of 2500 by much over the past couple of decades. The major change came in 2011 when they expanded the lug pattern to accommodate wheels with a different offset and changed the inter-axle shafts and brakes.
How Is Bolt Pattern Calculated?
The bolt pattern consists of two numbers and looks like this: 5×4.50. The first number in this example(5) indicates how many bolt holes or studs are on the vehicle while the other number (4.50) describes the diameter of the circle formed by those 5 holes or studs.
They are listed in either inches or millimeter units (4.50 is inches). Another example: a bolt pattern of 4×100 indicates a pattern with 4 lugs on a circle with a diameter of 100mm.
Using these tools, you will be able to find the overall dimensions of the wheels you have! Many wheel manufacturers will also have the Diameter and Width Cast in the back of the wheel (example: 17×9) to make it easy to know the main size.
Do Chevy 2500s Use Wheels Studs Or Wheel Bolts
For Chevrolet 2500 trucks, you will be using wheel studs and lug nuts. This makes it very easy to remove and install your wheels.
Depending on the type of vehicle you have, your wheels may be held on by wheel studs or wheel bolts.
Wheel studs are threaded studs mounted on the hub and rotor and allow your wheel to be attached by lug nuts.
Wheel bolts are bolts that screw into your wheel hub and hold your wheel on. These are a little more difficult to work with and are not used as widely as wheel studs and lug nuts.
Chevy 2500 Wheel Torque Specs
When installing new lug nuts or reinstalling a wheel, it is important to torque down your wheels to the proper specs to ensure your wheel is secure to your hub.
Your lug nut torque spec is listed in your owner’s manual, but when choosing aftermarket wheels, this may differ depending on the wheel manufacturer.
The factory wheel torque spec for a Chevrolet 2500 is 140 lb-ft.
When torquing down your lug nuts, you will want to go in a cross pattern to tighten the wheel to the truck evenly.
Which Lug Nuts For Chevy 2500?
When choosing lug nuts for your Chevrolet 2500, you can choose between a few different styles to suit your specific needs. Your lug nut torque specs will not change with the type of lug nut you choose, so be sure to tighten them according to the torque spec above.
Chevrolet 2500 trucks utilize an M14-1.50 lug nut. The length will be determined by the type of lug nut you choose to go with.
The two types of lug nuts you will run into in most cases are open-end and closed-end.
Open-ended lug nuts give you the ability to use them on longer studs. If you have extended studs on your truck, you are going to want to run open-end lug nuts.
Closed-end lug nuts offer a more complete look but will require a little more research to determine which size you need. Depending on your lug length and wheel style, you will need to calculate the proper length of the lug nut to properly torque down your lug nuts.
Chevrolet 2500 Factory Wheel Sizes
Whether you are choosing new wheels or are just curious about the factory wheel sizes for your Chevrolet 2500, we have put together an easy-to-use Chevrolet 2500 factory wheel size chart for you to find your stock wheel size.
|Year||Factory Wheel Size/Offset||Factory Tire Size|
How To Measure Offset On Chevrolet 2500
Wheel offset is a wheel spec that is very important when choosing new wheels, but is also one that very little people understand.
The offset of a wheel is the measurement of the distance from the hub mounting surface to the centerline of the wheel. The centerline of the wheel is the exact middle of the barrel.
There are three types of wheel offsets that you should know.
Types of Offsets
- Negative Offset: This refers to when the hub mounting surface is closer to the back portion of the wheel. This results in more clearance for aftermarket suspension and will give you a wider stance.
- Zero Offset: This refers to when the hub mounting surface is even with the centerline of the wheel.
- Positive Offset: Lastly, this refers to when the hub mounting surface is closer to the face of the wheel. This results in more fender and quarter panel clearance to reduce tire rubbing issues.
Chevrolet 2500 Wheel Backspacing
The backspacing of a wheel is measured from the back portion of the wheel to the hub surface of the wheel, where it bolts to the car. While closely related to offset, the backspacing will be measured in inches; once you change one, it will affect the other.
This is going to be very important to remember when choosing new wheels as it will determine the distance between the wheel and the wheel well. It will also affect how well your wheels stick out or in on your fender.
This can be measured by placing a straight edge on the wheel bead and setting another strait edge straight down to the wheel face. Measure the distance, and you will get your backspacing measurement.
How To Measure A Wheel
Knowing how to measure a wheel is going to help you determine what size wheels you currently have and be able to calculate how much bigger you can go on your truck.
The diameter of a wheel is measured in both overall wheel diameter and actual wheel diameter.
Overall Wheel Diameter: This is the measurement of the wheel from the outside lip to the outside lip of the wheel.
Actual Wheel Diameter: This is the measurement of the wheel from the inside of the barrel of the wheel on each side.
For example, a wheel that has an actual diameter of 18” may have an overall diameter of around 19.5”. This means when you are looking for new wheels, the actual wheel diameter will be what wheel manufacturers are marketing.
The width of a wheel is measured similar to how the wheel diameter is measured, in both overall and actual diameters.
Overall Wheel Width: This is the measurement of the wheel from the outside front lip to the outside back lip of the wheel.
Actual Wheel Width: This is the measurement of the wheel from the inside of the barrel of the wheel on each side.
I’m William Guzenski, ASE certified master automobile technician & automotive expert. I love to attend race events and car shows throughout the country. I also loves to travel 40-foot motorhome, exploring abandoned mines and ghost towns. I’m currently building another car for Bonneville Salt Flats and will be campaigning a drag car at several events.