2013 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 2013 Ram 2500 Regular Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| 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.
2013 2500 Regular Cab — Year-Specific Fitment Context
The 2013 Ram 2500 Regular Cab is in year 3 of 14 using the 8x165.1 pattern (2011–2024). Wheels from any 2011–2024 Ram 2500 Regular Cab are cross-compatible with the 2013 model.
Ram 2500 Regular Cab Bolt Pattern by Year
The table below shows how the 2500 Regular Cab's wheel specifications have changed over the years. The 2013 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2011 | 8x165.1 | 121.3 | 25 |
| 2012 | 8x165.1 | 121.3 | 43 |
| ▸ 2013 | 8x165.1 | 121.3 | 43 |
| 2014 | 8x165.1 | 121.3 | 43 |
| 2015 | 8x165.1 | 121.3 | 43 |
| 2016 | 8x165.1 | 121.3 | 43 |
| 2017 | 8x165.1 | 121.3 | 43 |
| 2018 | 8x165.1 | 121.3 | 43 |
| 2019 | 8x165.1 | 121.3 | 43 |
| 2021 | 8x165.1 | 121.3 | 43 |
| 2022 | 8x165.1 | 121.3 | 43 |
| 2024 | 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 2013 Ram 2500 Regular Cab
For your 2013 Ram 2500 Regular Cab, the 8x165.1 bolt pattern and 121.3mm center bore are critical. Aftermarket wheels often have a larger center bore, requiring hub-centric rings to prevent vibration and ensure load is on the hub, not the lug nuts. The factory offset is 43mm; deviations affect scrub radius and clearance. Stick within ±6mm to avoid rubbing or bearing stress. Always use 14x1.5 lug nuts with the correct seat—factory is cone seat. Using ball seat or wrong thread can cause wheel loss. Re-torque after 50 miles.
Historical Fitment Data Reference
In our dataset, Ram 2500 Regular Cab appears from 2011 to 2024 (12 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: 2
- Observed total offset span across years: 18.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50 miles of driving.
- ✅ Verify aftermarket wheels have a center bore ≥121.3mm; use hub-centric rings if larger.
- ✅ Check wheel offset against factory 43mm; offsets below 37mm may rub suspension 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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2013 Ram 2500 Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 2013 Ram 2500 Regular Cab?
The 2013 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 Ram 2500 Regular Cab have the same bolt pattern as the 2013?
The Ram 2500 Regular Cab uses the 8x165.1 pattern from 2011 through 2024. Wheels from any of these model years are dimensionally compatible with the 2013, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2013 Ram 2500 Regular Cab?
Refer to your owner's manual for exact specs, but always tighten the 14x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What does 43mm offset mean for the 2013 2500 Regular Cab?
An offset of 43mm means the wheel's mounting surface is 43mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Ram.
What is the factory wheel offset for a 2013 Ram 2500 Regular Cab?
The OEM offset for the 2013 2500 Regular Cab is typically around 43mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What is the center bore of a 2013 Ram 2500 Regular Cab?
The factory center bore (hub bore) for the 2013 Ram 2500 Regular Cab is 121.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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