Would these fit???
 

Size: 18x8 front/ 18x10 REAR

Offset: +48mm front/ +40MM REAR


and if they do what tire size would i need?

and would i need spacers?? and what size spacers


thanks

Front tires in the 225-245 could work. 265-285 rears could work. Depends on the size of the spacers and if the car is lowered or not.

Do you have a link or brand name of the rims you are looking at for us to see. I could tell you just by looking at them because I think I have seen every wheel/rim combo out there for our cars. It does sound like it would fit with no spacers needed. :)

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what tire size?

These will fit with no spacers needed. I'm running 275's or 285's in the rear. If your car is lowered you may get some rubbing on the inside of the fender wheel out back, you should have no issues in the front.

So if i want to find prices for the tire, i enter

275 18

what number goes in the middel?

it should be 35.

thanks, just wondering how you found that out??

I run an 18x10 ET40 rear, its a touch too far out (no clearance issues, but I'd like it to be about 5mm further inboard). Stock ride height you should have no problem. I run a 265/35-18

Patrick

i have a set. your goal is to have tires that are just over 25" in diameter. you can check the tire rack's spec lists like this one to get the sizes:

http://www.tirerack.com/tires/Spec.jsp?make=BFGoodrich&model=g-Force+T%2FA+KDW+2&tirePageLocQty=

a 265/35 will actually be a better fit for the car. the 275/35 is a tad tall. i'd go with a 265/35 or a 285/30. what size are your fronts?

fronts are

18x8 front

what should my front tire size be??

thanks

with those wheel sizes, i'd personally choose a 245/40 up front and a 265/35 in back. IMO this is the most neutral choice.

thanks just bought the tires, rims should also be here soon :D

When you get those wheels, let me know if there are any issues. Those are the same wheels I want to get but, even though it says they'll fit our cars...it also says their wheel fitment guide could be inaccurate.

it should fit fine, a other meber BlackONblack has them and has no issues

Heres A PIC

http://www.pcars.us/garage.php?mode=view_gallery_item&type=garage_gall ery&image_id=144

Hey, thanks for the pic, I hadn't seen them on a Boxster yet. :cool: OMG, those taillights are hideous!!

i chuckled when i read this because you are talking 3.5 mm or roughly 1/8 of an inch. That's tire wear after one DE or weekend ride through the twisties. If you can eyeball the difference, you are really good. i didn't calculate the effect on gearing, but it can't be much