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2006 Ford F-350 Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Ford F-350 wheels? This page gives the 2006 Ford F-350 bolt pattern (8x170), centre bore, factory rim size and the offset range for aftermarket and forged Ford F-350 rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2006 Ford F-350 uses a 8x170 bolt pattern with a 124.9 mm centre bore and M14x2 lug nuts. Factory wheels: 16x7J ET40. For aftermarket wheels, 18x9J ET15 sits flush.
Forged wheels for the 2006 Ford F-350 — drilled 8x170 with a 124.9 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Ford F-350 (2006): 8x170 bolt pattern, 124.9mm center bore, OE 16x7J ET40. Forged wheel fitment specs from ANKUSI.
Bolt Pattern8x170
Wheel Bolt/NutM14x2 Nut
Center Bore124.9mm
Wheel Load Rating1400–1650 kg/wheel (Heavy-Duty Truck segment reference)
Year2006
Category8-Lug Heavy-Duty 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) | 16x7J ET40 |
| Flush Fitment | 18x9J at ET15 offset |
Forged Wheel Designs for the Ford F-350
Every design below is forged to order, so it can be machined to the Ford F-350's 8x170 bolt pattern and 124.9 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
Off-road platforms put real, repeated impact loads through the wheel that street-only vehicles never see, so the factory strength margin on the Ford F-350 isn't a formality — it's load-bearing in a literal sense. Forging matches that margin at a lower rotational weight than an equivalent cast wheel, which matters both on the trail and on the highway miles between trailheads.
The Ford F-350 ships from the factory on a 8x170 bolt pattern with a 124.9mm center bore and a 16x7J ET40 wheel. Our flush reference for the Ford F-350 is 18x9J ET15.; our maximum aggressive reference is 20x10J ET10. — beyond that, expect clearance issues against the fender liner without further modification.
Ford F-350 OE Wheel Specs
The Ford F-350 ships from the factory on 8x170 bolt pattern wheels with a 124.9mm center bore. The stock wheel size is 16x7J ET40, offering a balanced ride that suits most owners without any rubbing or clearance concerns.
Why the factory spec works for most owners:
- Balances ride comfort with steering response and highway efficiency.
- Wide tire and wheel availability at the factory diameter keeps replacement costs low.
- Lower unsprung weight than larger aftermarket wheels helps ride quality and acceleration.
- Guaranteed clearance against brake calipers and suspension components.
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Ford F-350 (2006) we drill the 8x170 pattern and cut the centre bore to 124.9mm 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 and Backspacing: Factory Wheel vs Options
Backspacing ≈ width/2 + ET/25.4 + 0.5 in. "Inward" means closer to the suspension; "outward" means closer to the fender lip.
| Setup | Size | ET | Backspacing | Inward vs OE | Outward vs OE |
|---|---|---|---|---|---|
| Factory (OE) | 16x7J | ET40 | 5.57 in (142 mm) | — | — |
| Flush | 18x9J | ET15 | 5.59 in (142 mm) | 0 mm | +50 mm |
| Maximum | 20x10J | ET10 | 5.89 in (150 mm) | +8 mm | +68 mm |
Vehicles With the Same Hub as the Ford F-350 (8x170, 124.9 mm Bore)
In our database, 6 other Ford entries use exactly the same 8x170 bolt pattern and 124.9 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.
8x170 is used by 0.1% of the vehicle pages in our English fitment guide (7 of 6,503); 100.0% of those also use a 124.9 mm center bore.
Hub-Centric Rings for a 124.9 mm Center Bore
A wheel with a center bore larger than 124.9 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 130.1 mm | 130.1 → 124.9 mm |
ANKUSI forged wheels are bored to exactly 124.9 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Ford F-350 use?
The 2006 Ford F-350 uses a 8x170 bolt pattern.
How many lug bolts does the Ford F-350 use?
The Ford F-350 uses a 8-lug bolt pattern (8x170), so you need a 8-lug forged wheel to bolt straight on.
What is the center bore size on the Ford F-350?
The Ford F-350's center bore is 124.9mm. 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 Ford F-350?
Factory wheels on the Ford F-350 are 16x7J ET40.
What does a flush wheel fitment look like on the Ford F-350?
For a flush look with minimal to no rubbing, we recommend 18x9J at ET15 offset as a starting point on a stock or mildly lowered Ford F-350.
Do I need wheel spacers for my Ford F-350?
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 Ford F-350?
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 5.59" 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 Ford F-350?
The Ford F-350 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.
Wheel Installation Reference: Torque, Thread & TPMS
Thread & Fastener: M14x1.5, conical-seat lug nut.
Factory Torque Spec: 200 Nm (150 ft-lb). Super Duty single-rear-wheel spec on M14x1.5 studs; dual-rear-wheel (DRW) F-350/F-450 trucks specify up to 220 ft-lb, confirm before installation.
TPMS: Vehicles built before the 2008 model year were not federally required to carry factory TPMS in the US, though many manufacturers adopted it earlier; verify whether your specific build has TPMS before ordering sensor-compatible wheels.
Tire Pressure: Always set tire pressure to the value on your vehicle's tire placard (driver's doorjamb or glovebox), not the max PSI printed on the tire sidewall — this is trim- and tire-size-specific and stays the same reference point when you switch to a different wheel and tire combination.
Reference data compiled from published OEM service specifications and cross-checked against independent repair sources; always confirm against your owner's manual or door-jamb placard before installation.
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).
Other cars on the same factory size: 16x7 wheels · 16 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.