2008 Dodge Ram 2500 Regular Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2008 Dodge Ram 2500 Regular Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | 9/16 |
| Center Bore (CB) | 121.3 mm |
| Offset (ET) | 43 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 8x165.1 is commonly referred to as 8x6.5" in US Standard.
2008 Ram 2500 Regular Cab — Year-Specific Fitment Context
The 2008 Dodge Ram 2500 Regular Cab is in year 15 of 17 using the 8x165.1 pattern (1994–2010). Wheels from any 1994–2010 Dodge Ram 2500 Regular Cab are cross-compatible with the 2008 model.
Dodge Ram 2500 Regular Cab Bolt Pattern by Year
The table below shows how the Ram 2500 Regular Cab's wheel specifications have changed over the years. The 2008 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1994 | 8x165.1 | 121.3 | 43 |
| 1995 | 8x165.1 | 121.3 | 43 |
| 1996 | 8x165.1 | 121.3 | 43 |
| 1997 | 8x165.1 | 121.3 | 43 |
| 1998 | 8x165.1 | 121.3 | 43 |
| 1999 | 8x165.1 | 121.3 | 43 |
| 2000 | 8x165.1 | 121.3 | 43 |
| 2001 | 8x165.1 | 121.3 | 43 |
| 2002 | 8x165.1 | 121.3 | 43 |
| 2003 | 8x165.1 | 121.3 | 43 |
| 2004 | 8x165.1 | 121.3 | 43 |
| 2005 | 8x165.1 | 121.3 | 43 |
| 2006 | 8x165.1 | 121.3 | 43 |
| 2007 | 8x165.1 | 121.3 | 43 |
| ▸ 2008 | 8x165.1 | 121.3 | 43 |
| 2009 | 8x165.1 | 121.3 | 43 |
| 2010 | 8x165.1 | 121.3 | 43 |
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 2008 Dodge Ram 2500 Regular Cab
When selecting aftermarket wheels for your 2008 Dodge Ram 2500 Regular Cab, the center bore of 121.3mm is critical. Most aftermarket wheels have a larger bore, so hub-centric rings are mandatory to prevent vibration and ensure proper load transfer. The factory offset is 43mm; deviations beyond ±10mm may cause rubbing or clearance issues with brakes and suspension. Always verify lug nut compatibility: the 9/16 thread requires conical (60-degree) or ball seat nuts—never use acorn or flat seat nuts. Mismatched seating can lead to wheel loosening. For optimal safety, choose wheels rated for the vehicle's GVWR and confirm they are hub-centric or use correct rings.
Historical Fitment Data Reference
In our dataset, Dodge Ram 2500 Regular Cab appears from 1994 to 2010 (17 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 after 50-100 miles of driving to maintain clamping force.
- ✅ Avoid wheels with offset below 33mm (less positive) as they may contact brake calipers on this model.
- ✅ Inspect for clearance with the front sway bar and rear leaf springs when using wider wheels or tires.
- ⚠️ 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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2008 Dodge Ram 2500 Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 2008 Dodge Ram 2500 Regular Cab?
The 2008 Dodge Ram 2500 Regular Cab uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 121.3mm and the offset is 43mm.
What other years of Dodge Ram 2500 Regular Cab have the same bolt pattern as the 2008?
The Dodge Ram 2500 Regular Cab uses the 8x165.1 pattern from 1994 through 2010. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
Will wheels from another Dodge fit my 2008 Ram 2500 Regular Cab?
Only if they share the exact same 8x165.1 bolt pattern, a compatible offset, and a center bore equal to or larger than 121.3mm.
How tight should I torque the lug nuts on a 2008 Dodge Ram 2500 Regular Cab?
Refer to your owner's manual for exact specs, but always tighten the 9/16 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Why is matching the 121.3mm center bore important for the 2008 Ram 2500 Regular Cab?
The 121.3mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What lug nut size does the 2008 Dodge Ram 2500 Regular Cab use?
The 2008 Dodge Ram 2500 Regular Cab uses 9/16 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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