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Spacer size on stock wheels ?

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Old Jul 31, 2025 | 07:40 AM
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Default Spacer size on stock wheels ?

Hi all !

Yes, I did read a lot on the official spacer thread, but I'm still confused, so some help would be greatly appreciated !

2004 350Z Touring Roadster with stock 18in wheels and stock size tires : what bolt-on spacer size get I get away with, without any other modification / fender rolling / etc. ?

I want the wheels to be as flush as possible without compromising safety and I don't want to mess with the fenders or anything like that, so perhaps 10 or 15 or 20 mm in front and 15 or 20 or 25mm in the back ?

Thanks guys !
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Old Aug 1, 2025 | 04:33 AM
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Assuming that you're referring to the stock 6-spoke "wagon wheels," the front and rear are both 18x8 +30. OEM tire sizes are 225/45 F and 245/45 R.

20mm in the front and 25mm in the rear should bring you flush with no rubbing as long as everything is stock regarding the suspension.
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Old Aug 1, 2025 | 09:17 AM
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Awesome, thank you for the clear response ! I may go with 15/20 just to be safe then. Cheers !
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Old Aug 2, 2025 | 11:02 AM
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Go 20/25
I didn't rub with 275's on my 18x8 et30 stock wheels
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Old Aug 3, 2025 | 05:11 AM
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Awesome, great feedback ! Good thing I had not bought anything yet, so 20/25 it is ! Thanks !
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Old Aug 5, 2025 | 01:29 PM
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This is my car when i had the stock wheels on with spacers 15mm front and rear. The car sat on TEIN basis coilovers


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