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Front 20x10 +20mm 275/40R20 and Rear 20x11 +25mm 315/35R20 fitment?

8487 Views 14 Replies 8 Participants Last post by  2009SRT
I own a 2020 Dodge Challenger Scat Pack and I was wondering if a 20x10 +20mm wheels with 275/40R20 tire in the front and a 20x11 +25mm wheel with a 315/35R20 tire in the rear will fit with no modifications or spacers added to the car. The tires will be Nitto Motivo and the wheels will be Variant Argon.
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I went with 9" (18mm offset) wheels to fit 275/40R20 and have had no issues with the tires rubbing the steering knuckle. I went with 10" wheels mounted with 305/35R20 Nitto NT555 G2's (also with 18mm offset) to avoid having to use spacers. The visual difference between 305's and 315's is nil. See www.tyresizecalculator.com/tyre-wheel-calculators/wheel-rim-size-calculator.

To see my setup, go to 90 Days of Mods! and scroll about halfway down.
Here is what I have plus the car has been lowered about 1”. it is a 2018 TA 392.
258518
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I went with 20x9 +18 in front with 275/40/20 and 20x10.5 +20 in back with 315/35/20 Continental Extreme Contact Sport. a little more poke on the rear tires than I really wanted , but not bad. i'm getting used to it actually. probably could have tucked the rears in more but didn't want to have to mess with the fender wells
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Here is what I have plus the car has been lowered about 1”. it is a 2018 TA 392. View attachment 258518
Did you use any spacers or modified the fender well?
I have 275/40/20 nittos 555g2's upfront with 9in voxx srt replicas and 315/35/20 nittos 555g2's on 10.5 in voxx replicas on back. I used 3mm spacers on back to avoid a slight rub. Looks mean fro behind.
I have 275/40/20 nittos 555g2's upfront with 9in voxx srt replicas and 315/35/20 nittos 555g2's on 10.5 in voxx replicas on back. I used 3mm spacers on back to avoid a slight rub. Looks mean fro behind.
Hey Pugs do you think going with the 315/35/20 555g2s on 10” rims could avoid having to use a spacer? Or should I throw a 3mm on just to be sure. I have a 2016 Scat Pack fully stock. Thanks!
I had a slight rub without using a spacer. I think with that size tire you should go with a 10.5 wheel. If your going with a 10 then maybe a 305/35/20 tire? I like the width (old school) look, so that's why I went with the10.5.
I had a slight rub without using a spacer. I think with that size tire you should go with a 10.5 wheel. If your going with a 10 then maybe a 305/35/20 tire? I like the width (old school) look, so that's why I went with the10.5.
I bought a set from American Muscle, Hellcat replicas 10” wheels On 315 g2s. No bulge they fit fine, from what I’ve read it’s because Nitto 315s run slightly smaller so it’s closer to a 305 in other brands. The tire seems to fit fine with no spacer but you can only fit about 2 maybe between the tire and the fender wall. Where did yours rub? And was it bad enough of a rub to mod the car, or did you leave it because it wasn’t a big deal?

I appreciate your response as well thanks!
Did you use any spacers or modified the fender well?
1/8” hub centric wheel spacers
yeah, I didn't want to listen to my other personality bugging me to use the spacers. It only left a slight scuff along a small section of the plastic on the inner wheel well.
I own a 2020 Dodge Challenger Scat Pack and I was wondering if a 20x10 +20mm wheels with 275/40R20 tire in the front and a 20x11 +25mm wheel with a 315/35R20 tire in the rear will fit with no modifications or spacers added to the car. The tires will be Nitto Motivo and the wheels will be Variant Argon.
The front should fit fine. The rear you will likely need a spacer. If you went +22 offset you shouldn't rub but the tire might stick out past the fender a little.

A 305/35x20 will make your speedometer and mileage incorrect.
Have you had any problems with your speedometer and mileage reading correct?
Here is what I have plus the car has been lowered about 1”. it is a 2018 TA 392. View attachment 258518
Have you had any problems with the speedometer and mileage reading correctly?
The front should fit fine. The rear you will likely need a spacer. If you went +22 offset you shouldn't rub but the tire might stick out past the fender a little.

A 305/35x20 will make your speedometer and mileage incorrect.
Hello, Will a 21x10 ET23 rub on the front of a 2009 challenger rt 5.7? tires are 275/35/21 pirelli.. I rolled my fenders before, just haven't bought the wheels yet and am curious before i buy
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