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2009 Dodge Challenger SRT8 Silver Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Dodge Challenger SRT8 Silver wheels? This page gives the 2009 Dodge Challenger SRT8 Silver bolt pattern (5x115), centre bore, factory rim size and the offset range for aftermarket and forged Dodge Challenger SRT8 Silver rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Forged wheels for Dodge Challenger — styles, sizes & factory quote →
Dodge Challenger SRT8 Silver (2009): 5x115 bolt pattern, 71.5mm center bore. Factory wheels: 20x9.0J at ET24 offset, front and rear. 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)
Year2009
CategoryCoupe
✓ 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) | 20x9.0J F/R |
| Flush Fitment | 20x10.0J at ET18 offset |
| Maximum Aggressive | 20x10.5J at ET15 offset |
Forged Wheel Designs for the Dodge Challenger SRT8 Silver
Every design below is forged to order, so it can be machined to the Dodge Challenger SRT8 Silver's 5x115 bolt pattern and 71.5 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
Coupes and performance platforms are where rotational mass shows up fastest — in acceleration, in braking, and in how quickly the chassis changes direction. Forging lets us build to the same strength spec as the factory wheel at a meaningfully lower rotational weight, which is where the performance gain actually comes from, not just the visual one.
The Dodge Challenger SRT8 Silver runs a 5x115 bolt pattern, 71.5mm center bore, and a 20x9.0J, front and rear, wheel from the factory. Our Flush Fitment reference is 20x10.0J ET18, which tucks the tire under the fender lip on a stock-height Dodge Challenger SRT8 Silver. Our Maximum Aggressive reference is 20x10.5J ET15 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Dodge Challenger SRT8 Silver OE Wheel Specs
The 2009 Dodge Challenger SRT8 Silver (Coupe) uses a 5x115 bolt pattern with a 71.5mm center bore. Factory wheels are 20x9.0J F/R.
Why the factory spec works for most owners:
- Keeps unsprung weight low to preserve the factory handling balance
- Matches the wider, performance-oriented tire sizing typical of this platform
- Maintains clearance for the factory brake package and suspension geometry
- Balances grip with ride comfort for daily and spirited driving
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Dodge Challenger SRT8 Silver (2009) 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.
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: 20x9.0J ET24 → ~5.94″ backspacing
- Flush: 20x10.0J 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 Dodge spec, or want a wheel built to a custom offset for your Dodge Challenger SRT8 Silver? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Frequently Asked Questions
What bolt pattern (PCD) does the Dodge Challenger SRT8 Silver use?
The 2009 Dodge Challenger SRT8 Silver uses a 5x115 bolt pattern.
How many lug bolts does the Dodge Challenger SRT8 Silver use?
The Dodge Challenger SRT8 Silver 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 Dodge Challenger SRT8 Silver?
The Dodge Challenger SRT8 Silver'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 Dodge Challenger SRT8 Silver?
Factory wheels on the Dodge Challenger SRT8 Silver are 20x9.0J F/R.
What is the biggest wheel size I can fit on my Dodge Challenger SRT8 Silver 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 Dodge Challenger SRT8 Silver?
For a flush look with minimal to no rubbing, we recommend 20x10.0J at ET18 offset as a starting point on a stock or mildly lowered Dodge Challenger SRT8 Silver.
Do I need wheel spacers for my Dodge Challenger SRT8 Silver?
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 Dodge Challenger SRT8 Silver?
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 Dodge Challenger SRT8 Silver?
The Dodge Challenger SRT8 Silver 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.