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2027 Ram Power Wagon Cummins Turbo Diesel Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Ram Power Wagon Cummins Turbo Diesel wheels? This page gives the 2027 Ram Power Wagon Cummins Turbo Diesel bolt pattern (8x165.1), centre bore, factory rim size and the offset range for aftermarket and forged Ram Power Wagon Cummins Turbo Diesel rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2027 Ram Power Wagon Cummins Turbo Diesel uses a 8x165.1 bolt pattern with a 121.3 mm centre bore and M14x1.5 lug nuts. Factory wheels: 17x8.0J, front and rear. For aftermarket wheels, 17x9.0J ET18 sits flush and 18x9.0J ET0 is the most aggressive fit.
Forged wheels for the 2027 Ram Power Wagon Cummins Turbo Diesel — drilled 8x165.1 with a 121.3 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Ram Power Wagon Cummins Turbo Diesel (2027): 8x165.1 bolt pattern, 121.3mm center bore. OE 17x8.0J ET42 F/R. Reference fitment ranges.
Bolt Pattern8x165.1
Wheel Bolt/NutM14x1.5 Nut
Center Bore121.3mm
Wheel Load Rating1400–1650 kg/wheel (Heavy-Duty Truck segment reference)
Year2027
CategoryHD Off-Road
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 17x8.0J F/R |
| Flush Fitment | 17x9.0J at ET18 offset |
| Maximum Aggressive | 18x9.0J at ET0 offset |
Forged Wheel Designs for the Ram Power Wagon Cummins Turbo Diesel
Every design below is forged to order, so it can be machined to the Ram Power Wagon Cummins Turbo Diesel's 8x165.1 bolt pattern and 121.3 mm center bore, with the width and offset calculated for your setup.
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How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
Wagons split the difference between sedan agility and load-carrying duty, and the wheels have to serve both roles. A forged wheel holds the same structural margin as the factory piece while trimming rotational weight, which benefits both the empty-car handling and the loaded-car ride.
The Ram Power Wagon Cummins Turbo Diesel runs a 8x165.1 bolt pattern, 121.3mm center bore, and a 17x8.0J, front and rear, wheel from the factory. Our Flush Fitment reference is 17x9.0J ET18, which tucks the tire under the fender lip on a stock-height Ram Power Wagon Cummins Turbo Diesel. Our Maximum Aggressive reference is 18x9.0J ET0 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Ram Power Wagon Cummins Turbo Diesel OE Wheel Specs
The 2027 Ram Power Wagon Cummins Turbo Diesel (HD Off-Road) uses a 8x165.1 bolt pattern with a 121.3mm center bore. Factory wheels are 17x8.0J F/R.
Why the factory spec works for most owners:
- Balances ride comfort with everyday drivability
- A commonly used size for this vehicle class, supporting parts and tire availability
- Maintains clearance for the factory suspension and brake components
- Provides stable, predictable handling across normal driving conditions
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Ram Power Wagon Cummins Turbo Diesel (2027) we drill the 8x165.1 pattern and cut the centre bore to 121.3mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
Offset & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: 17x8.0J ET42 → ~6.15″ backspacing
- Flush: 17x9.0J ET18 → ~5.71″ backspacing
- Max: 18x9.0J ET0 → ~5″ backspacing
A Note on Clearance
Final clearance depends on the exact tire model, suspension height, brake package, alignment and vehicle tolerances. A physical test fit is recommended before production.
Want to check a different width or offset before you order? Use our Offset & Backspacing Calculator to solve the numbers yourself, or looking for your exact Ram spec, or want a wheel built to a custom offset for your Ram Power Wagon Cummins Turbo Diesel? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Vehicles With the Same Hub as the Ram Power Wagon Cummins Turbo Diesel (8x165.1, 121.3 mm Bore)
In our database, 7 other vehicle entries from 2 makes use exactly the same 8x165.1 bolt pattern and 121.3 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
8x165.1 is used by 0.4% of the vehicle pages in our English fitment guide (29 of 6,503); 27.6% of those also use a 121.3 mm center bore.
Hub-Centric Rings for a 121.3 mm Center Bore
A wheel with a center bore larger than 121.3 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 130.1 mm | 130.1 → 121.3 mm |
ANKUSI forged wheels are bored to exactly 121.3 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Ram Power Wagon Cummins Turbo Diesel use?
The 2027 Ram Power Wagon Cummins Turbo Diesel uses a 8x165.1 bolt pattern.
How many lug bolts does the Ram Power Wagon Cummins Turbo Diesel use?
The Ram Power Wagon Cummins Turbo Diesel uses a 8-lug bolt pattern (8x165.1), so you need a 8-lug forged wheel to bolt straight on.
What is the center bore size on the Ram Power Wagon Cummins Turbo Diesel?
The Ram Power Wagon Cummins Turbo Diesel's center bore is 121.3mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the Ram Power Wagon Cummins Turbo Diesel?
Factory wheels on the Ram Power Wagon Cummins Turbo Diesel are 17x8.0J F/R.
What is the biggest wheel size I can fit on my Ram Power Wagon Cummins Turbo Diesel without rubbing?
The most aggressive fitment we recommend without fender work is 18x9.0J at ET0 offset. Going beyond this typically causes rubbing under compression unless you roll the fenders or add camber correction.
What does a flush wheel fitment look like on the Ram Power Wagon Cummins Turbo Diesel?
For a flush look with minimal to no rubbing, we recommend 17x9.0J at ET18 offset as a starting point on a stock or mildly lowered Ram Power Wagon Cummins Turbo Diesel.
Do I need wheel spacers for my Ram Power Wagon Cummins Turbo Diesel?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my Ram Power Wagon Cummins Turbo Diesel?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 5.71" of backspacing.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Ram Power Wagon Cummins Turbo Diesel?
The Ram Power Wagon Cummins Turbo Diesel runs the same wheel size front and rear from the factory, so staggered fitment is not required. ANKUSI can still forge a staggered set (wider rear) on request if you want a more aggressive stance.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.