2009 FM Auto Vulca S Wheels & Rims: Bolt Pattern, Offset & Sizes

Fitting FM Auto Vulca S wheels? This page gives the 2009 FM Auto Vulca S bolt pattern (5x114.3), centre bore, factory rim size and the offset range for aftermarket and forged FM Auto Vulca S rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.

FM Auto Vulca S (2009): 5x114.3 bolt pattern, 67.1mm center bore. Factory wheels: F: 19x8.5J R: 19x10.0J. Reference fitment ranges.

Bolt Pattern5x114.3
Center Bore67.1mm
Wheel Load Rating700–850 kg/wheel (Performance / Sports Car segment reference)
Year2009
CategorySports Car

Data check: the bolt pattern and center bore on this page have not yet been confirmed by a second independent source. Measure your hub or ask us before ordering. How we verify

Built to order by ANKUSI — IATF 16949 & ISO 9001 certified forged wheel manufacturer, TÜV/SFI/VIA compliant. See our factory & certifications →

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Wheel Size & Offset at a Glance

FM Auto Vulca S wheel size and offset comparison by configuration
ConfigurationWheel Size & Offset
Factory (OE)F: 19x8.5J R: 19x10.0J
Flush FitmentF 19x9.0J ET32 / R 19x11.0J ET35
Maximum AggressiveF 20x9.5J ET30 / R 20x11.5J ET30
Forged wheels for the FM Auto Vulca SMachined to the 5x114.3 bolt pattern and 67.1 mm bore · 14–24 inch · offset calculated for your car · 3D drawing before production
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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.

Diagram showing wheel measurement points: centerline, center bore diameter, PCD, offset, rim width and diameter
Centerline, center bore, PCD, offset, width & diameter
Diagram comparing positive, zero, and negative wheel offset relative to the wheel centerline
Positive vs. zero vs. negative offset

ANKUSI Engineering Expert Advice

The FM Auto Vulca S's factory wheel spec reflects a deliberate balance between comfort, steering feel and durability that the engineering team tuned for. Forging lets ANKUSI match that same strength target while trimming rotational mass — the part of a wheel upgrade that actually changes how the car drives, not just how it looks.

The FM Auto Vulca S runs a 5x114.3 bolt pattern, 67.1mm center bore, and a F: 19x8.5J wheel from the factory. Our Flush Fitment reference is F 19x9.0J ET32 / R 19x11.0J ET35, which tucks the tire under the fender lip on a stock-height FM Auto Vulca S. Our Maximum Aggressive reference is F 20x9.5J ET30 / R 20x11.5J ET30 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.

FM Auto Vulca S OE Wheel Specs

The 2009 FM Auto Vulca S (Sports Car) uses a 5x114.3 bolt pattern with a 67.1mm center bore. Factory wheels are F: 19x8.5J R: 19x10.0J.

Why the factory spec works for most owners:

  • Balances ride comfort with everyday fuel efficiency
  • A widely used size in this segment, so tire and wheel availability stays strong
  • Keeps unsprung weight low for stable, predictable handling
  • Maintains clearance for the factory brake calipers and suspension components

ANKUSI builds these wheels — we are the forging factory, not a reseller. For the FM Auto Vulca S (2009) we drill the 5x114.3 pattern and cut the centre bore to 67.1mm 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.

IATF 16949 & ISO 9001 certified · own 10,000-ton press in Guangzhou · from a single set to a full container

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 — 6,436 vehicles, free to download, CC BY 4.0.

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Flush Fitment

For a flush look with minimal rubbing, F 19x9.0J ET32 / R 19x11.0J ET35 is the recommended starting point on a stock or mildly lowered FM Auto Vulca S.

Maximum Aggressive Fitment

F 20x9.5J ET30 / R 20x11.5J ET30 is a more aggressive reference setup. Beyond this, expect rubbing under compression without fender rolling or camber correction.

5-Tier Configuration Options

A Factory-Style F 19x8.5J ET40 / R 19x10.0J ET45

Recommended setup: F 19x8.5J ET40 / R 19x10.0J ET45 | Economy impact: Negligible | Best for: Daily commuting, family use

Appearance: 7/10 | Comfort: 9.5/10 | Install difficulty: ★☆☆☆☆

Estimated cost: $1,200-1,500 (wheels + tires + install)

B Comfortable Upgrade F 19x9.0J ET36 / R 19x10.5J ET40

Recommended setup: F 19x9.0J ET36 / R 19x10.5J ET40 | Economy impact: -2 to -4% | Best for: Daily / street

Appearance: 8/10 | Comfort: 9/10 | Install difficulty: ★☆☆☆☆

Estimated cost: $1,950-2,550 (wheels + tires + install)

C Balanced / Flush Fit F 19x9.0J ET32 / R 19x11.0J ET35

Recommended setup: F 19x9.0J ET32 / R 19x11.0J ET35 | Economy impact: -4 to -6% | Best for: Street

Appearance: 8.5/10 | Comfort: 8/10 | Install difficulty: ★★☆☆☆

Estimated cost: $2,600-3,400 (wheels + tires + install)

D Aggressive F 20x9.5J ET31 / R 20x11.5J ET33

Recommended setup: F 20x9.5J ET31 / R 20x11.5J ET33 | Economy impact: -6 to -9% | Best for: Show / occasional track

Appearance: 9/10 | Comfort: 6.5/10 | Install difficulty: ★★★☆☆

Estimated cost: $3,900-5,000 (wheels + tires + install)

E Max Aggressive F 20x9.5J ET30 / R 20x11.5J ET30

Recommended setup: F 20x9.5J ET30 / R 20x11.5J ET30 | Economy impact: -8 to -12% | Best for: Show only

Appearance: 9.5/10 | Comfort: 4/10 | Install difficulty: ★★★★☆

Estimated cost: $4,800-6,200+ (wheels + tires + install)

Performance Comparison Matrix

MetricTier ATier BTier CTier DTier E
Wheel SpecF 19x8.5J ET40 / R 19x10.0J ET45F 19x9.0J ET36 / R 19x10.5J ET40F 19x9.0J ET32 / R 19x11.0J ET35F 20x9.5J ET31 / R 20x11.5J ET33F 20x9.5J ET30 / R 20x11.5J ET30
Economy ImpactNegligible-2 to -4%-4 to -6%-6 to -9%-8 to -12%
Appearance7/108/108.5/109/109.5/10
Comfort9.5/109/108/106.5/104/10
Install Difficulty★☆☆☆☆★☆☆☆☆★★☆☆☆★★★☆☆★★★★☆
Cost Range$1,200-1,500$1,950-2,550$2,600-3,400$3,900-5,000$4,800-6,200+
Best ForDaily commuting, family useDaily / streetStreetShow / occasional trackShow only

Real-World Reference Cases

The examples below are compiled from typical ANKUSI customer configurations and are labeled as reference cases, not individually verified real-world builds.

Case 1: Daily Driver (Factory-Style)

Profile: Everyday driving, prioritizes comfort and low running cost.

Setup: F 19x8.5J ET40 / R 19x10.0J ET45

Cost: ~$620

Outcome: Minimal visual change, ride and fuel economy essentially unaffected.

Case 2: Balanced Enthusiast (Balanced / Flush Fit)

Profile: Wants a sportier stance without sacrificing daily usability.

Setup: F 19x9.0J ET32 / R 19x11.0J ET35

Cost: ~$3,000

Outcome: Noticeable visual upgrade, fuel economy drop within the expected range.

Case 3: Show Build (Max Aggressive)

Profile: Built primarily for shows or occasional track/show use.

Setup: F 20x9.5J ET30 / R 20x11.5J ET30

Cost: ~$5,500

Outcome: Maximum visual impact; daily comfort and fuel economy are heavily compromised, physical test fit required before production.

Decision Guide

1
What's your primary use? Daily commuting → Tier A/B. Weekend street driving → Tier B/C. Show or occasional track use → Tier D/E.
2
What's your budget? Under $800 → Tier A. $800-3,400 → Tier B/C. $3,400+ → Tier D/E.
3
How much does fuel economy matter? Very important → Tier A. Somewhat important → Tier B/C. Not a priority → Tier D/E.
4
Still unsure? Tier C (Balanced / Flush Fit) is the default choice for most FM Auto Vulca S owners.

Offset & Backspacing Reference

Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):

  • OE: F 19x8.5J ET40 → ~6.32″ F backspacing, R 19x10.0J ET45 → ~7.27″ R backspacing
  • Flush: F 19x9.0J ET32 → ~6.26″ F backspacing, R 19x11.0J ET35 → ~7.38″ R backspacing
  • Max: F 20x9.5J ET30 → ~6.43″ F backspacing, R 20x11.5J ET30 → ~7.43″ R 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 FM Auto spec, or want a wheel built to a custom offset for your FM Auto Vulca S? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.

Custom Forged Wheels for the FM Auto Vulca S (2009)

Everything above is reference data. If you want wheels actually built to it, that is what ANKUSI does: we are a forged wheel factory in Guangzhou, China, IATF 16949 and ISO 9001 certified, forging on our own 10,000-ton press and producing over 120,000 wheels a year. Forging blank, CNC machining, finishing, coating and inspection all happen in the same building — nothing is subcontracted and nothing is relabelled from another manufacturer.

Every set is cut to order, so the 5x114.3 pattern and the 67.1mm centre bore are machined for this car specifically rather than shimmed with adaptor rings. Diameter, width, offset, concavity, monoblock or multi-piece construction and the finish are all yours to choose.

We do not hold 5x114.3 wheels on a shelf — they are forged to order, which is why any offset, width and bore combination on this page is buildable rather than limited to a stock list.

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Frequently Asked Questions

What bolt pattern (PCD) does the FM Auto Vulca S use?
The 2009 FM Auto Vulca S uses a 5x114.3 bolt pattern.
How many lug bolts does the FM Auto Vulca S use?
The FM Auto Vulca S 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 FM Auto Vulca S?
The FM Auto Vulca S's center bore is 67.1mm. 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 FM Auto Vulca S?
Factory wheels on the FM Auto Vulca S are F: 19x8.5J R: 19x10.0J.
What is the biggest wheel size I can fit on my FM Auto Vulca S without rubbing?
The most aggressive fitment we recommend without fender work is F 20x9.5J ET30 / R 20x11.5J ET30. 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 FM Auto Vulca S?
For a flush look with minimal to no rubbing, we recommend F 19x9.0J ET32 / R 19x11.0J ET35 as a starting point on a stock or mildly lowered FM Auto Vulca S.
Do I need wheel spacers for my FM Auto Vulca S?
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 FM Auto Vulca S?
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 6.26" backspacing up front and 7.38" in the rear.
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 FM Auto Vulca S?
Yes — the FM Auto Vulca S's factory and our recommended flush/max fitments already use staggered sizing (different width front and rear), and ANKUSI can forge matching staggered sets to your target offsets.

Vehicles With the Same Hub as the FM Auto Vulca S (5x114.3, 67.1 mm Bore)

In our database, 456 other vehicle entries from 30 makes use exactly the same 5x114.3 bolt pattern and 67.1 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 entries in our database (1,300 of 6,503); 35.2% of those also use a 67.1 mm center bore.

Hub-Centric Rings for a 67.1 mm Center Bore

A wheel with a center bore larger than 67.1 mm needs a hub-centric ring. The most common combinations:

Wheel boreRing size
70.1 mm70.1 → 67.1 mm
70.5 mm70.5 → 67.1 mm
71.6 mm71.6 → 67.1 mm
72.6 mm72.6 → 67.1 mm
73.1 mm73.1 → 67.1 mm

ANKUSI forged wheels are bored to exactly 67.1 mm for this vehicle, so no ring is needed.

Sources and Last Update

Data checked against: avtoreference.com, tirewheelguide.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: 19x8.5 wheels · 19 inch wheels.

Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.

Forged Wheel Designs for the FM Auto Vulca S

Every design below is forged to order, so it can be machined to the FM Auto Vulca S's 5x114.3 bolt pattern and 67.1 mm center bore, with the width and offset calculated for your setup.

← Back to the full Fitment Guide · Browse forged wheels

Bolt pattern and center bore on this page were cross-checked against at least two independent sources before publication. Last reviewed 2026-09-18. Spotted an error? Email info@ankusi.com and we will verify and correct it.

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