2025 Ram 83U Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2025 Ram 83U, along with offset and center bore data.
2025 Ram 83U Wheel Fitment Specs
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 77.8 mm |
| Offset (ET) | 18-25 |
| Torque Specs | 130 ft-lbs (176 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
2025 83U — Year-Specific Fitment Context
The 2025 model year is the final year of the Ram 83U's 5x139.7 bolt pattern run (since 2024). Wheels from any 2024–2025 Ram 83U are cross-compatible with the 2025 model.
Ram 83U Bolt Pattern by Year
The table below shows how the 83U's wheel specifications have changed over the years. The 2025 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2024 | 5x139.7 | 77.8 | 18-25 |
| ▸ 2025 | 5x139.7 | 77.8 | 18-25 |
5x139.7 Pattern Context
This bolt pattern appears on 343 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x139.7:
Quick Tips & Safety Warnings
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ Torque lugs in a star pattern to 130 ft-lbs (176 Nm), then re-check torque after 50-100 km (30-60 miles).
2025 Ram 83U — Frequently Asked Questions
What is the bolt pattern for a 2025 Ram 83U?
The 2025 Ram 83U uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 77.8mm and the offset is 18-25mm.
What other years of Ram 83U have the same bolt pattern as the 2025?
The Ram 83U uses the 5x139.7 pattern from 2024 through 2025. Wheels from any of these model years are dimensionally compatible with the 2025, provided the offset and center bore also match.
Why is matching the 77.8mm center bore important for the 2025 83U?
The 77.8mm 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.
Can I put aftermarket wheels on my 2025 Ram 83U?
Absolutely. Just ensure the aftermarket wheels have a 5x139.7 bolt pattern, an offset near 18-25mm, and a center bore of at least 77.8mm (using hub rings if larger).
What is the center bore of a 2025 Ram 83U?
The factory center bore (hub bore) for the 2025 Ram 83U is 77.8mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the PCD for a 2025 Ram 83U?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2025 83U, the PCD is 5x139.7.
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