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2023 Toyota 4Runner 40th Anniversary Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Toyota 4Runner 40th Anniversary wheels? This page gives the 2023 Toyota 4Runner 40th Anniversary bolt pattern (6x139.7), centre bore, factory rim size and the offset range for aftermarket and forged Toyota 4Runner 40th Anniversary rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2023 Toyota 4Runner 40th Anniversary uses a 6x139.7 bolt pattern with a 106.1 mm centre bore and M12x1.5 lug nuts. Factory wheels: 17x7.5J, front and rear. For aftermarket wheels, 17x8.5J ET0 sits flush and 18x9.0J ET-5 is the most aggressive fit.
Forged wheels for the 2023 Toyota 4Runner 40th Anniversary — drilled 6x139.7 with a 106.1 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Toyota 4Runner 40th Anniversary (2023): 6x139.7 bolt pattern, 106.1mm center bore. OE F/R: 17x7.5J ET15 F/R. Reference fitment ranges.
Bolt Pattern6x139.7
Wheel Bolt/NutM12x1.5 Nut
Center Bore106.1mm
Wheel Load Rating900–1250 kg/wheel (SUV segment reference)
Year2023
CategorySUV
✓ 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) | F/R: 17x7.5J F/R |
| Flush Fitment | 17x8.5J at ET0 offset |
| Maximum Aggressive | 18x9.0J at ET-5 offset |
Forged Wheel Designs for the Toyota 4Runner 40th Anniversary
Every design below is forged to order, so it can be machined to the Toyota 4Runner 40th Anniversary's 6x139.7 bolt pattern and 106.1 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
The Toyota 4Runner 40th Anniversary's factory suspension tuning already accounts for a specific unsprung mass target. Forged construction lets ANKUSI match the factory strength spec while keeping rotational weight down, which is where the real handling benefit comes from on a taller, heavier SUV platform.
The Toyota 4Runner 40th Anniversary runs a 6x139.7 bolt pattern, 106.1mm center bore, and a 17x7.5J, front and rear, wheel from the factory. Our Flush Fitment reference is 17x8.5J ET0, which tucks the tire under the fender lip on a stock-height Toyota 4Runner 40th Anniversary. Our Maximum Aggressive reference is 18x9.0J ET-5 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Toyota 4Runner 40th Anniversary OE Wheel Specs
The 2023 Toyota 4Runner 40th Anniversary (SUV) uses a 6x139.7 bolt pattern with a 106.1mm center bore. Factory wheels are F/R: 17x7.5J F/R.
Why the factory spec works for most owners:
- Supports the vehicle's curb weight and load capacity
- Preserves ground clearance for everyday and light off-road use
- Balances ride comfort with cargo and passenger stability
- Maintains clearance for the factory suspension travel and brake package
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Toyota 4Runner 40th Anniversary (2023) we drill the 6x139.7 pattern and cut the centre bore to 106.1mm 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.
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: F/R: 17x7.5J ET15 → ~4.84″ backspacing
- Flush: 17x8.5J ET0 → ~4.75″ backspacing
- Max: 18x9.0J ET-5 → ~4.8″ backspacing
A Note on Clearance
Final clearance depends on the exact tire model, suspension height, brake package, alignment and vehicle tolerances. A physical test fit is recommended before production.
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 Toyota spec, or want a wheel built to a custom offset for your Toyota 4Runner 40th Anniversary? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Vehicles With the Same Hub as the Toyota 4Runner 40th Anniversary (6x139.7, 106.1 mm Bore)
In our database, 32 other vehicle entries from 7 makes use exactly the same 6x139.7 bolt pattern and 106.1 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.
6x139.7 is used by 4.0% of the vehicle pages in our English fitment guide (258 of 6,503); 12.8% of those also use a 106.1 mm center bore.
Hub-Centric Rings for a 106.1 mm Center Bore
A wheel with a center bore larger than 106.1 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 108.1 mm | 108.1 → 106.1 mm |
| 110.1 mm | 110.1 → 106.1 mm |
| 130.1 mm | 130.1 → 106.1 mm |
ANKUSI forged wheels are bored to exactly 106.1 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Toyota 4Runner 40th Anniversary use?
The 2023 Toyota 4Runner 40th Anniversary uses a 6x139.7 bolt pattern.
How many lug bolts does the Toyota 4Runner 40th Anniversary use?
The Toyota 4Runner 40th Anniversary uses a 6-lug bolt pattern (6x139.7), so you need a 6-lug forged wheel to bolt straight on.
What is the center bore size on the Toyota 4Runner 40th Anniversary?
The Toyota 4Runner 40th Anniversary's center bore is 106.1mm. 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 Toyota 4Runner 40th Anniversary?
Factory wheels on the Toyota 4Runner 40th Anniversary are F/R: 17x7.5J F/R.
What is the biggest wheel size I can fit on my Toyota 4Runner 40th Anniversary without rubbing?
The most aggressive fitment we recommend without fender work is 18x9.0J at ET-5 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 Toyota 4Runner 40th Anniversary?
For a flush look with minimal to no rubbing, we recommend 17x8.5J at ET0 offset as a starting point on a stock or mildly lowered Toyota 4Runner 40th Anniversary.
Do I need wheel spacers for my Toyota 4Runner 40th Anniversary?
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 Toyota 4Runner 40th Anniversary?
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 4.75" 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 Toyota 4Runner 40th Anniversary?
The Toyota 4Runner 40th Anniversary 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: 103-110 Nm (76-81 ft-lb). Range covers most Toyota passenger cars, crossovers, and light trucks on M12x1.5 studs.
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.
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).
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.