Largest Tires Possible on Stock Rims 18" Wheels?

[Alaska Steve]

Hi Alaska. Good day.
I do have same trim with fx4 package but with level kit. Do you think I can fit the 265/70/R18 or should I go same as you to be safe with 255/70/R18? Looking K03 tires

Hi,
If you are running on stock wheels, I’d be concerned with UCA rubbing. A wheel with +35mm offset or 1/2” wheel spacers would resolve this concern.

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[RodolfoSH92]

Hi,
If you are running on stock wheels, I’d be concerned with UCA rubbing. A wheel with +35mm offset or 1/2” wheel spacers would resolve this concern.

Thank you !! I love the stock wheels so I will go safe with 255/70/R18 same as you.

Thank you !

 

[RodolfoSH92]

Hello all,
Newbie here, so I apologize if this has been posted several times prior, but I was wondering what is the largest size tire I can put on a 2024 Lariat (2.7L) with the stock 18" rims and not get any rub? I was thinking of going with BF Goodrich All Terain T/A KO3s in 265/70R18 (I currently have the Wrangler Territory 255/65R18). Also, I don't want to mess with any lift kits, etc.
Any assistance is appreciated!

Hi!

Did you end getting the 265/70/R18 with factory wheels?

Thank you!

 

[TheKroMan]

Hi, yes I did end up getting the BF Goodrich K03s in 265/70R/18 on my stock Lariat rims, however in order for the tire shop to put them on, they recommended a 2" leveling kit. I went with the SuperLift (purchased from RealTruck).

https://realtruck.com/p/superlift-l...kXxVoNEGe9vrHcmEiBFdwUPSu45T8y71bhezDiaFiO42p

I've been very happy thus far. Just note, the bigger tires will add a bit more "bounce" to your ride and your speedometer will be slightly off by approx. 1-2 mph (depending on how fast you're going). The speedometer will read lower than you are actually going.

Let me know if you have any questions.

 

[RodolfoSH92]

Hi, yes I did end up getting the BF Goodrich K03s in 265/70R/18 on my stock Lariat rims, however in order for the tire shop to put them on, they recommended a 2" leveling kit. I went with the SuperLift (purchased from RealTruck).

https://realtruck.com/p/superlift-l...kXxVoNEGe9vrHcmEiBFdwUPSu45T8y71bhezDiaFiO42p

I've been very happy thus far. Just note, the bigger tires will add a bit more "bounce" to your ride and your speedometer will be slightly off by approx. 1-2 mph (depending on how fast you're going). The speedometer will read lower than you are actually going.

Let me know if you have any questions.

I do have the 2.5 in leveling kit from roughcountry https://www.roughcountry.com/leveling-lift-kits/ford/ranger/2024

Do you think I should be good for 265/70/r18 or should I go safe with 255/70/r18?

Also, do you have pictures of your fit?

Thanks!

 

[Sharpix]

Bump because i want thise 265/70R18 in stock wheels!

 

[RJRanger]

Bump because i want thise 265/70R18 in stock wheels!

It has been awhile but I put on 265/70/18 GY Workhorses load LS on my 2025 Lariat with the stock 55 offset rims with mo problem. 100% stock suspension. Now trying to figure the right air pressure....my gut tells me a little less than the stock suggested 30psi. Need to do the chaulk test but need the temps to warm a bit.

 

[RRheault_NC]

I have a stock Lariat FX4 and the speedometer isn't accurate. It's out 2km/h so I have to do 82 km/h to be doing the speed limit of 80. At least I know I will never get a speeding ticket

I noticed a similar speedometer error with my 2025 Lariat, when compared with GPS speed in Google Maps. I will install 265/65R18 tires to get a bit more rubber on the road, and the slightly larger size will also fix the speedometer error as a bonus.

 

[RJRanger]

I noticed a similar speedometer error with my 2025 Lariat, when compared with GPS speed in Google Maps. I will install 265/65R18 tires to get a bit more rubber on the road, and the slightly larger size will also fix the speedometer error as a bonus.

You should be good. I was reading about 2mph under actual before putting on 265/65/18 now I read 3 over actual at same speed 75mph. 100% stock. Tires at 39lbs per did steal almost .5 mpg.

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