2008 Chrysler 300C SRT (UK) Wheels & Rims: Bolt Pattern, Offset & Sizes

Fitting Chrysler 300C SRT (UK) wheels? This page gives the 2008 Chrysler 300C SRT (UK) bolt pattern (5x115), centre bore, factory rim size and the offset range for aftermarket and forged Chrysler 300C SRT (UK) rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.

Quick answer: The 2008 Chrysler 300C SRT (UK) uses a 5x115 bolt pattern with a 71.5 mm centre bore and M14x1.5 lug nuts. Factory wheels: 20x9J at ET24. For aftermarket wheels, 20x10J ET18 sits flush and 20x10.5J ET15 is the most aggressive fit.

Forged wheels for the 2008 Chrysler 300C SRT (UK) — drilled 5x115 with a 71.5 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.

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Chrysler 300C SRT (UK) (2008): 5x115 bolt pattern, 71.5mm center bore. Factory wheels: 20x9J. Reference fitment ranges.

Bolt Pattern5x115
Wheel Bolt/NutM14x1.5 Nut
Center Bore71.5mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Caliper TypeBrembo 6-piston fixed front monoblock caliper (OEM, SRT/Hellcat)
Year2008
CategorySedan

✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify

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Wheel Size & Offset at a Glance

Chrysler 300C SRT (UK) wheel size and offset comparison by configuration
ConfigurationWheel Size & Offset
Factory (OE)20x9J at ET24
Flush Fitment20x10J at ET18 offset
Maximum Aggressive20x10.5J at ET15 offset

Forged Wheel Designs for the Chrysler 300C SRT (UK)

Every design below is forged to order, so it can be machined to the Chrysler 300C SRT (UK)'s 5x115 bolt pattern and 71.5 mm center bore, with the width and offset calculated for your setup.

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 Chrysler 300C SRT (UK)'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 Chrysler 300C SRT (UK) runs a 5x115 bolt pattern, 71.5mm center bore, and a 20x9J at ET24, front and rear, wheel from the factory. Our Flush Fitment reference is 20x10J ET18, which tucks the tire under the fender lip on a stock-height Chrysler 300C SRT (UK). Our Maximum Aggressive reference is 20x10.5J ET15 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.

Chrysler 300C SRT (UK) OE Wheel Specs

The 2008 Chrysler 300C SRT (UK) (Sedan) uses a 5x115 bolt pattern with a 71.5mm center bore. Factory wheels are 20x9J at ET24.

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 Chrysler 300C SRT (UK) (2008) we drill the 5x115 pattern and cut the centre bore to 71.5mm 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.

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 — 10,093 vehicles, free to download, CC BY 4.0.

Real-World Fitment Notes

KW V3 coilovers; 20x10.0J Apex ARC-8 wheels; Brembo 4-piston brakes; Michelin Pilot Sport 4S 245/45 R20 tires.

Offset & Backspacing Reference

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

  • OE: 20x9J ET24 → ~5.94″ backspacing
  • Flush: 20x10J ET18 → ~6.21″ backspacing
  • Max: 20x10.5J ET15 → ~6.34″ 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 Chrysler spec, or want a wheel built to a custom offset for your Chrysler 300C SRT (UK)? 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 Chrysler 300C SRT (UK) (5x115, 71.5 mm Bore)

In our database, 69 other vehicle entries from 5 makes use exactly the same 5x115 bolt pattern and 71.5 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.

5x115 is used by 3.2% of the vehicle pages in our English fitment guide (209 of 6,503); 33.5% of those also use a 71.5 mm center bore.

Hub-Centric Rings for a 71.5 mm Center Bore

A wheel with a center bore larger than 71.5 mm needs a hub-centric ring. The most common combinations:

Wheel boreRing size
71.6 mm71.6 → 71.5 mm
72.6 mm72.6 → 71.5 mm
73.1 mm73.1 → 71.5 mm
74.1 mm74.1 → 71.5 mm

ANKUSI forged wheels are bored to exactly 71.5 mm for this vehicle, so no ring is needed.

Frequently Asked Questions

What bolt pattern (PCD) does the Chrysler 300C SRT (UK) use?
The 2008 Chrysler 300C SRT (UK) uses a 5x115 bolt pattern.
How many lug bolts does the Chrysler 300C SRT (UK) use?
The Chrysler 300C SRT (UK) uses a 5-lug bolt pattern (5x115), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Chrysler 300C SRT (UK)?
The Chrysler 300C SRT (UK)'s center bore is 71.5mm. 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 Chrysler 300C SRT (UK)?
Factory wheels on the Chrysler 300C SRT (UK) are 20x9J at ET24.
What is the biggest wheel size I can fit on my Chrysler 300C SRT (UK) without rubbing?
The most aggressive fitment we recommend without fender work is 20x10.5J at ET15 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 Chrysler 300C SRT (UK)?
For a flush look with minimal to no rubbing, we recommend 20x10J at ET18 offset as a starting point on a stock or mildly lowered Chrysler 300C SRT (UK).
Do I need wheel spacers for my Chrysler 300C SRT (UK)?
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 Chrysler 300C SRT (UK)?
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 6.21" 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 Chrysler 300C SRT (UK)?
The Chrysler 300C SRT (UK) 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.

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: 20x9 wheels · 20 inch wheels.

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

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