2019 Ram 2500 Mega Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2019 Ram 2500 Mega 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.
2019 2500 Mega Cab — Year-Specific Fitment Context
The 2019 Ram 2500 Mega Cab is in year 9 of 14 using the 8x165.1 pattern (2011–2024). Wheels from any 2011–2024 Ram 2500 Mega Cab are cross-compatible with the 2019 model.
Ram 2500 Mega Cab Bolt Pattern by Year
The table below shows how the 2500 Mega Cab's wheel specifications have changed over the years. The 2019 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 2019 Ram 2500 Mega Cab
For your 2019 Ram 2500 Mega Cab, the 8x165.1 bolt pattern and 121.3mm center bore are critical. Aftermarket wheels often have a larger bore; use hub-centric rings to prevent vibration and ensure load is on the hub, not the lugs. The stock offset is 43mm; deviations affect scrub radius and clearance. Stay within ±6mm to avoid rubbing or suspension stress. Always use M14x1.5 lug nuts with the correct seat (cone or ball) matching your wheel. Improper seating can cause loosening or wheel loss. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Ram 2500 Mega 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 50-100 miles of driving.
- ✅ Aftermarket wheels may require hub-centric rings; verify inner diameter matches 121.3mm.
- ✅ Avoid offset below 37mm to prevent tire contact with brake calipers or suspension.
- ⚠️ 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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2019 Ram 2500 Mega Cab — Frequently Asked Questions
What is the bolt pattern for a 2019 Ram 2500 Mega Cab?
The 2019 Ram 2500 Mega 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 Mega Cab have the same bolt pattern as the 2019?
The Ram 2500 Mega Cab uses the 8x165.1 pattern from 2011 through 2024. Wheels from any of these model years are dimensionally compatible with the 2019, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2019 Ram 2500 Mega 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 is the PCD for a 2019 Ram 2500 Mega Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2019 2500 Mega Cab, the PCD is 8x165.1.
Will wheels from another Ram fit my 2019 2500 Mega 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 do I measure the bolt pattern on my 2019 Ram?
The 2019 2500 Mega Cab uses a 8x165.1 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
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