Tire size question - Lexus IS Forum
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post #1 of 5 (permalink) Old 02-21-2015, 08:52 PM Thread Starter
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Tire size question

225/40/18 up front. 255/35/18 in the rears. first question is will this fit without any modifications? Second question is will these fit with Tien S-tech lowering springs on OEM shocks without havinf to mod the fenders?
Thank you guys. I'm sure its been answered and I am reading alot myself so I appreciate your patience.
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post #2 of 5 (permalink) Old 02-22-2015, 05:29 AM
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What offset and wheels are you trying to install those on? Need more specifics to really help you out.

01 IS300 - MSM - 185k mile high club

Currently in: snow mode

BRZ Differential w/ 4.1 -- K&N FIPK Intake -- CXRacing Coilovers -- IS350 Wheels -- Greddy Lip [RIP :(]

Hotchkis Sways -- Megan Racing Y-Pipe -- Spec-d Catback (for now)

"Gotta work on the nut behind the wheel before you start fixing bolts on the car"
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post #3 of 5 (permalink) Old 02-22-2015, 05:03 PM Thread Starter
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Sorry, I'm in the wrong section. This is for a 1st gen. They sre some isx50 wheels 18x8 +45 up front 18x8.5 +50 in the rear.
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post #4 of 5 (permalink) Old 02-22-2015, 05:48 PM
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I didn't even notice! I actually will be running the same wheels on my 1st gen. I'm going to be using 225/40 front and 235/40 rear. This will fit with no modifications. Anything bigger than a 235 in the rear on these wheels might (will) require fender rolling or pulling. 225 fit nicely on a 8" wide wheel and 235 also fit nicely on 8.5" in general. I went with Bridgestone Potenza RE760 tires btw.

01 IS300 - MSM - 185k mile high club

Currently in: snow mode

BRZ Differential w/ 4.1 -- K&N FIPK Intake -- CXRacing Coilovers -- IS350 Wheels -- Greddy Lip [RIP :(]

Hotchkis Sways -- Megan Racing Y-Pipe -- Spec-d Catback (for now)

"Gotta work on the nut behind the wheel before you start fixing bolts on the car"
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post #5 of 5 (permalink) Old 02-22-2015, 11:10 PM Thread Starter
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That was my original plan. 225/40 up front and 235/40 in thge rear. But I found a deal I can't pass up on wheels that come with 225/40 and 255/35. I'm pretty sure it will work not lowered but just not sure about with the Tien S-Techs. Thanks for the help man. LMK if u think it will work with the S-techs
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  Lexus IS Forum > 2nd-Gen IS250/IS350 > Wheels and Tires

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