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2002 Ford Mustang GT Convertible Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Ford Mustang GT Convertible wheels? This page gives the 2002 Ford Mustang GT Convertible bolt pattern (5x114.3), centre bore, factory rim size and the offset range for aftermarket and forged Ford Mustang GT Convertible rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2002 Ford Mustang GT Convertible uses a 5x114.3 bolt pattern with a 70.5 mm centre bore. Factory wheels: 17x8.0J, front and rear. For aftermarket wheels, 19x9.0J ET38 sits flush and 20x9.5J ET35 is the most aggressive fit.
Forged wheels for the 2002 Ford Mustang GT Convertible — drilled 5x114.3 with a 70.5 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 Mustang GT Convertible (2002): 5x114.3 bolt pattern, 70.5mm center bore. Factory wheels: 17x8.0J F/R. Reference fitment ranges.
Bolt Pattern5x114.3
Wheel Bolt/Nut1/2\"x20 Nut
Center Bore70.5mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Year2002
CategoryConvertible
✓ 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 | 19x9.0J at ET38 offset |
| Maximum Aggressive | 20x9.5J at ET35 offset |
Forged Wheel Designs for the Ford Mustang GT Convertible
Every design below is forged to order, so it can be machined to the Ford Mustang GT Convertible's 5x114.3 bolt pattern and 70.5 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
Convertibles lose some of the structural rigidity a fixed roof provides, which means the suspension and wheels end up doing more of the work to keep the chassis composed. A forged wheel keeps unsprung mass down without sacrificing the strength margin the factory built in — useful on a platform that's already managing extra flex.
The Ford Mustang GT Convertible runs a 5x114.3 bolt pattern, 70.5mm center bore, and a 17x8.0J, front and rear, wheel from the factory. Our Flush Fitment reference is 19x9.0J ET38, which tucks the tire under the fender lip on a stock-height Ford Mustang GT Convertible. Our Maximum Aggressive reference is 20x9.5J ET35 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Ford Mustang GT Convertible OE Wheel Specs
The 2002 Ford Mustang GT Convertible (Convertible) uses a 5x114.3 bolt pattern with a 70.5mm center bore. Factory wheels are 17x8.0J F/R.
Why the factory spec works for most owners:
- Preserves the factory-tuned ride and steering feel
- A mainstream size for this segment, keeping tire choice wide and prices reasonable
- Leaves full clearance for the stock brakes and suspension hardware
- Keeps handling predictable and consistent in everyday conditions
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Ford Mustang GT Convertible (2002) we drill the 5x114.3 pattern and cut the centre bore to 70.5mm 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 ET45 → ~6.27″ backspacing
- Flush: 19x9.0J ET38 → ~6.5″ backspacing
- Max: 20x9.5J ET35 → ~6.63″ 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 Mustang GT Convertible? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Ford Mustang GT Convertible: Specs by Model Year
Vehicles With the Same Hub as the Ford Mustang GT Convertible (5x114.3, 70.5 mm Bore)
In our database, 152 other vehicle entries from 6 makes use exactly the same 5x114.3 bolt pattern and 70.5 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.
5x114.3 is used by 20.0% of the vehicle pages in our English fitment guide (1,300 of 6,503); 12.0% of those also use a 70.5 mm center bore.
Hub-Centric Rings for a 70.5 mm Center Bore
A wheel with a center bore larger than 70.5 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 71.6 mm | 71.6 → 70.5 mm |
| 72.6 mm | 72.6 → 70.5 mm |
| 73.1 mm | 73.1 → 70.5 mm |
| 74.1 mm | 74.1 → 70.5 mm |
ANKUSI forged wheels are bored to exactly 70.5 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Ford Mustang GT Convertible use?
The 2002 Ford Mustang GT Convertible uses a 5x114.3 bolt pattern.
How many lug bolts does the Ford Mustang GT Convertible use?
The Ford Mustang GT Convertible uses a 5-lug bolt pattern (5x114.3), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Ford Mustang GT Convertible?
The Ford Mustang GT Convertible's center bore is 70.5mm. 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 Mustang GT Convertible?
Factory wheels on the Ford Mustang GT Convertible are 17x8.0J F/R.
What is the biggest wheel size I can fit on my Ford Mustang GT Convertible without rubbing?
The most aggressive fitment we recommend without fender work is 20x9.5J at ET35 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 Mustang GT Convertible?
For a flush look with minimal to no rubbing, we recommend 19x9.0J at ET38 offset as a starting point on a stock or mildly lowered Ford Mustang GT Convertible.
Do I need wheel spacers for my Ford Mustang GT Convertible?
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 Mustang GT Convertible?
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 6.5" 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 Mustang GT Convertible?
The Ford Mustang GT Convertible 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: M12x1.5, conical-seat lug nut.
Factory Torque Spec: 136 Nm (100 ft-lb). Covers most Ford passenger cars and crossovers (Fusion, Focus, Escape and similar) on M12x1.5 studs.
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: 17x8 wheels · 17 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.