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2015 Ford Super Duty Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Ford Super Duty wheels? This page gives the 2015 Ford Super Duty bolt pattern (8x170), centre bore, factory rim size and the offset range for aftermarket and forged Ford Super Duty rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Ford Super Duty (2015): 8x170 bolt pattern, 124.9mm center bore. Factory wheels: 18x8.0J F/R. Reference fitment ranges.
Bolt Pattern8x170
Wheel Bolt/NutM14x2 Nut
Center Bore124.9mm
Wheel Load Rating1400–1650 kg/wheel (Heavy-Duty Truck segment reference)
Year2015
CategoryHeavy Pickup
✓ 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) | 18x8.0J F/R |
| Flush Fitment | 20x9.0J at ET20 offset |
| Maximum Aggressive | 22x10.0J at ET12 offset |
Forged Wheel Designs for the Ford Super Duty
Every design below is forged to order, so it can be machined to the Ford Super Duty'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
Trucks live and die on unsprung weight and load capacity — every pound added at the wheel is a pound the suspension has to control over every bump, fully loaded or not. Forging the wheel instead of casting it lets us hold the factory load rating while cutting rotational mass, which pays off directly in ride quality and steering response on a vehicle that spends real time towing or hauling.
The Ford Super Duty runs a 8x170 bolt pattern, 124.9mm center bore, and a 18x8.0J, front and rear, wheel from the factory. Our Flush Fitment reference is 20x9.0J ET20, which tucks the tire under the fender lip on a stock-height Ford Super Duty. Our Maximum Aggressive reference is 22x10.0J ET12 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Ford Super Duty OE Wheel Specs
The 2015 Ford Super Duty (Heavy Pickup) uses a 8x170 bolt pattern with a 124.9mm center bore. Factory wheels are 18x8.0J F/R.
Why the factory spec works for most owners:
- Keeps the factory ride quality and noise levels intact
- A common fitment for this class, so replacement tires are easy to source
- Preserves clearance around the OE brakes and suspension geometry
- Delivers predictable, easy-to-live-with handling for daily use
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Ford Super Duty (2015) 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 & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: 18x8.0J ET40 → ~6.07″ backspacing
- Flush: 20x9.0J ET20 → ~5.79″ backspacing
- Max: 22x10.0J ET12 → ~5.97″ backspacing
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 Ford spec, or want a wheel built to a custom offset for your Ford Super Duty? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Frequently Asked Questions
What bolt pattern (PCD) does the Ford Super Duty use?
The 2015 Ford Super Duty uses a 8x170 bolt pattern.
How many lug bolts does the Ford Super Duty use?
The Ford Super Duty 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 Super Duty?
The Ford Super Duty'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 Super Duty?
Factory wheels on the Ford Super Duty are 18x8.0J F/R.
What is the biggest wheel size I can fit on my Ford Super Duty without rubbing?
The most aggressive fitment we recommend without fender work is 22x10.0J at ET12 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 Ford Super Duty?
For a flush look with minimal to no rubbing, we recommend 20x9.0J at ET20 offset as a starting point on a stock or mildly lowered Ford Super Duty.
Do I need wheel spacers for my Ford Super Duty?
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 Super Duty?
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 5.79" 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 Super Duty?
The Ford Super Duty 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: TPMS (Tire Pressure Monitoring System) has been federally mandated on all new light vehicles sold in the US since the 2008 model year. If your wheels use OE-style sensors, have them transferred or cloned to the new wheels at installation.
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.