2024 Ram CP90B Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2024 Ram CP90B, along with offset and center bore data.
2024 Ram CP90B 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.
2024 CP90B — Year-Specific Fitment Context
The 2024 is the only model year of the Ram CP90B in our database using the 5x139.7 bolt pattern. Important: starting in 2025, Ram switched to 6x139.7 — those wheels will not fit the 2024 model. Across its full production run (2024–2025), the CP90B has also used: 6x139.7.
Ram CP90B Bolt Pattern by Year
The table below shows how the CP90B's wheel specifications have changed over the years. The 2024 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 2024 | 5x139.7 | 77.8 | 18-25 |
| 2025 | 6x139.7 | 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).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
2024 Ram CP90B — Frequently Asked Questions
What is the bolt pattern for a 2024 Ram CP90B?
The 2024 Ram CP90B uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 77.8mm and the offset is 18-25mm.
Will 2025 Ram CP90B wheels fit a 2024 model?
No. The 2025 Ram CP90B switched to a 6x139.7 bolt pattern, which is not compatible with the 2024 model's 5x139.7. Using mismatched patterns is unsafe.
How tight should I torque the lug nuts on a 2024 Ram CP90B?
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.
Can I use spacers on my 2024 Ram CP90B?
Yes, but ensure the wheel spacers match the 5x139.7 bolt pattern and 77.8mm center bore. Also verify that you have enough thread engagement for your 14x1.5 hardware.
Why is matching the 77.8mm center bore important for the 2024 CP90B?
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.
Do 2024 Ram CP90Bs use lug bolts or lug nuts?
The 2024 CP90B requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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