Installed 37's on Gen3 35 Raptor - no issues.

[MORaptor1]

Are you saying that's above the 1" that the taller tires provide?

No. They aren’t “lifted” more than a 35 truck. It’s just taller rubber. At least according to all past press releases.

 

[leinad1904]

I want to put the exact tires on my stock 23. Did you have any rubbing before adding your lift? I don't jump the truck but I do go hunting and very mild off-roading. Goal in 37s on stock everything but I do not want the KOs/3s. I need a 3 peak rated tire.

I didn’t have rubbing, but I only drove home and to the grocery store…less than 1 mile total. They looked like a tight fit, I’m willing to bet they would rub if you hit something right with the tire turned.

 

[Raptor404]

Stock suspension. R wheels with 37 K02. No rubbing so far with 400 lbs on the bed.

 

[crossplaincrazy]

I too fitted 37” 12.5 k02s on my 2021 35 raptor. Only time it rubbed was super hard braking with wheel turned all the way to the right. I trimmed the fender liner for the time being and it is gone. No more rubbing. I plan on getting a new fender liner and install it once i put the collars on for 1.5” lift. I need to fix this stupid clunk from day one before modifying the suspension. Truck drives great with 37s with no ill side effects so far.

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Did you figure out what the clunking was? I have that same issue forever and the dealer keeps jerking me around