2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 116.6 mm |
| Offset (ET) | 26 |
| Torque Specs | 140 ft-lbs (190 Nm) |
2007 Silverado (Classic) 2500 HD Extended Cab — Year-Specific Fitment Context
The 2007 is the only model year of the Chevrolet Silverado (Classic) 2500 HD Extended Cab in our database using the 8x165.1 bolt pattern.
Fitment Notes
The 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab has a bolt pattern of 8x165.1.
Imperial Conversion: This bolt pattern is commonly referred to as 8x6.5" in imperial units. When searching for aftermarket wheels, you may see them listed as 8x6.5".
This means it is a 8 lug pattern with a circle diameter of 165.1mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Chevrolet Silverado (Classic) 2500 HD Extended Cab appears from 2007 to 2007 (1 model years).
Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 0.0 mm
8x165.1 Pattern Context
This bolt pattern appears on 846 vehicles in our current database and is considered common.
Examples of other vehicles using 8x165.1:
2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab?
The 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 116.6mm and the offset is 26mm.
What is the PCD for a 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2007 Silverado (Classic) 2500 HD Extended Cab, the PCD is 8x165.1.
How tight should I torque the lug nuts on a 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab?
Refer to your owner's manual for exact specs, but always tighten the N 14x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Can I use spacers on my 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab?
Yes, but ensure the wheel spacers match the 8x165.1 bolt pattern and 116.6mm center bore. Also verify that you have enough thread engagement for your N 14x1.50 hardware.
What does 26mm offset mean for the 2007 Silverado (Classic) 2500 HD Extended Cab?
An offset of 26mm means the wheel's mounting surface is 26mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
What is the center bore of a 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab?
The factory center bore (hub bore) for the 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab is 116.6mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Fitment Checklist Before You Buy Wheels
- Torque lugs in a star pattern to 140 ft-lbs (190 Nm), then re-check torque after 50-100 km (30-60 miles).
Editorial Fitment Notes
Chevrolet Silverado (Classic) 2500 HD Extended Cab is generally consistent in bolt-pattern records across model years, but offset and hardware should still be validated before purchase.
- Observed production years in our database: 2007-2007 (1 model years).
- Observed bolt-pattern variants: 1 (8x165.1).
- Observed total offset span across years: 0.0 mm.
- Observed center-bore variants: 1 | lug-size variants: 1.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
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