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) |
Imperial Match: 8x165.1 is commonly referred to as 8x6.5" in US Standard.
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.
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:
Expert Buying Guide for 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab
For your 2007 Chevrolet Silverado (Classic) 2500 HD Extended Cab, the 8x165.1 bolt pattern is unique to this model year. The 116.6mm center bore requires hub-centric rings for aftermarket wheels to prevent vibration and ensure proper load distribution. Offset sensitivity is critical; the factory 26mm offset maintains suspension geometry and brake clearance. Deviating more than ±10mm may cause rubbing or bearing stress. Always use lug nuts with the correct thread pitch (14x1.50) and seat type (cone or ball seat) matching the wheel. Improper seating can lead to wheel detachment. Verify lug nut torque to 140 ft-lbs and re-torque after 50 miles.
Historical Fitment Data Reference
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
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50 miles of driving to account for settling.
- ✅ Aftermarket wheels often have a larger center bore; use hub-centric rings (116.6mm ID) to avoid vibrations.
- ✅ Avoid offset changes beyond ±10mm from 26mm to prevent rubbing on suspension or brake components.
- ⚠️ Torque lugs in a star pattern to 140 ft-lbs (190 Nm), then re-check torque after 50-100 km (30-60 miles).
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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.
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