Forgiato Custom Finish 2-Piece Multi-Spoke Forged Wheels
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1993 Lamborghini Diablo VT Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Lamborghini Diablo VT wheels? This page gives the 1993 Lamborghini Diablo VT bolt pattern (5x120.65), centre bore, factory rim size and the offset range for aftermarket and forged Lamborghini Diablo VT rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 1993 Lamborghini Diablo VT uses a 5x120.65 bolt pattern with a 70.3 mm centre bore and M14x1.5 lug bolts. For aftermarket wheels, 18x9J ET25 front / 18x13.5J ET25 rear sits flush.
Forged wheels for the 1993 Lamborghini Diablo VT — drilled 5x120.65 with a 70.3 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Lamborghini Diablo VT (1993): 5x120.65 bolt pattern, 70.3mm center bore, OE F 17x8.5J ET32 / R 17x13J ET30. Forged wheel fitment specs from ANKUSI.
Bolt Pattern5x120.65
Wheel Bolt/NutM14x1.5 Bolt
Center Bore70.3mm
Wheel Load Rating700–850 kg/wheel (Performance / Sports Car segment reference)
Caliper TypeBrembo fixed multi-piston caliper (OEM, standard across Lamborghini lineup)
Year1993
Category5-Lug Supercar (2-Piece)
✓ 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 |
|---|---|
| Flush Fitment | F 18x9J ET25 / R 18x13.5J ET25 |
Forged Wheel Designs for the Lamborghini Diablo VT
Every design below is forged to order, so it can be machined to the Lamborghini Diablo VT's 5x120.65 bolt pattern and 70.3 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
On a supercar, wheel weight is one of the few remaining places to cut rotational mass without touching the powertrain or chassis the factory already optimized. Forging gets there at the same structural margin as the OE wheel, which is exactly the trade a car built around outright performance rewards.
The Lamborghini Diablo VT ships from the factory on a 5x120.65 bolt pattern with a 70.3mm center bore and a F 17x8.5J ET32 / R 17x13J ET30 wheel. Our flush reference for the Lamborghini Diablo VT is F 18x9J ET25 / R 18x13.5J ET25.; our maximum aggressive reference is F 19x9J ET20 / R 19x14J ET20. — beyond that, expect clearance issues against the fender liner without further modification.
Lamborghini Diablo VT OE Wheel Specs
The Lamborghini Diablo VT ships from the factory on 5x120.65 bolt pattern wheels with a 70.3mm center bore. The stock wheel size is F 17x8.5J ET32 / R 17x13J ET30, 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 Lamborghini Diablo VT (1993) we drill the 5x120.65 pattern and cut the centre bore to 70.3mm 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 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) | 17x8.5J | ET32 | 6.01 in (153 mm) | — | — |
| Flush | 18x9J | ET25 | 5.98 in (152 mm) | −1 mm | +13 mm |
| Maximum | 19x9J | ET20 | 5.79 in (147 mm) | −6 mm | +18 mm |
Vehicles With the Same Hub as the Lamborghini Diablo VT (5x120.65, 70.3 mm Bore)
In our database, 63 other vehicle entries from 6 makes use exactly the same 5x120.65 bolt pattern and 70.3 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.
5x120.65 is used by 1.6% of the vehicle pages in our English fitment guide (101 of 6,503); 63.4% of those also use a 70.3 mm center bore.
Hub-Centric Rings for a 70.3 mm Center Bore
A wheel with a center bore larger than 70.3 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 70.5 mm | 70.5 → 70.3 mm |
| 71.6 mm | 71.6 → 70.3 mm |
| 72.6 mm | 72.6 → 70.3 mm |
| 73.1 mm | 73.1 → 70.3 mm |
ANKUSI forged wheels are bored to exactly 70.3 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Lamborghini Diablo VT use?
The 1993 Lamborghini Diablo VT uses a 5x120.65 bolt pattern.
How many lug bolts does the Lamborghini Diablo VT use?
The Lamborghini Diablo VT uses a 5-lug bolt pattern (5x120.65), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Lamborghini Diablo VT?
The Lamborghini Diablo VT's center bore is 70.3mm. 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 does a flush wheel fitment look like on the Lamborghini Diablo VT?
For a flush look with minimal to no rubbing, we recommend F 18x9J ET25 / R 18x13.5J ET25 as a starting point on a stock or mildly lowered Lamborghini Diablo VT.
Do I need wheel spacers for my Lamborghini Diablo VT?
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 Lamborghini Diablo VT?
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 5.98" backspacing up front and 8.23" 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 Lamborghini Diablo VT?
Yes — the Lamborghini Diablo VT'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.
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: 17x8.5 wheels · 17 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.