275/65/r20

[jakrbt]

On my '21 AT4 1500 I ran 275/65R20 Nitto Recon Grapplers with zero isues. I believe they measure right at 34" and the only rub I ever got was when turning to the left and backing up into my moderately inclined driveway.

Currently running Cooper Discoverer AT3s in the same size on my wife's '23 Yukon AT4 with zero issues. Unfortunately I don't have any pics but I can probably get some if you need.

 

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[TonyAT4]

Thanks for the info! I am working on that setup. Getting the level installed tomorrow. Were the spacers required to clear the UCAs or just your preference?

Spacers were needed to clear the UCAs. I have a set available along with RL top and bottom spacers for 1.75 level.

 

[OCBPH]

Just had a set of LT275/65R20 BFGoodrich A/Ts installed this morning and they fit perfectly without rubbing or need to trim anything. I have not gone off-road yet and flexed the suspension but they appear to have plenty of room. I'm actually installing the Bilstein height adjsutable shocks next week but really just to level the front.

That tire set up looks really good, I have the same wheels but currently have LT265/60/20 which looks way too small for the wheel openings, thanks for posting. I have read that the adjustable Bilstein 5100's cannot be used on AT4's because of the increased angle on the upper ball joint if you use the highest snap ring location. Hopefully your installed knows all the info. The Bilsteins are the best IMHO.