With stock wheels you can clear 33/12.50s
With a 2-3” leveling kit you can clear 35/12.50s with minimal trimming
You may run into an issue with the tires rubbing the upper control arms just throw some 1/4” wheel spacers on the front from AutoZone or Amazon.
When my Tahoe was “lowered” I was able to clear 20x12 wheels with 275 streets
When I upgraded to 33/12.50 nittos I had to add a 2” leveling kit to clear at full lock
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Pic with the 33s and 2” leveling kit
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Sorry I don’t have any pics on stock wheels.
I did run some gmc replica 24s with 33/12.50s and also a set of kmc 24s with 33s and had PLENTY of clearance I could’ve easily stepped up to 35s if if not even 37s if I did a 3-3.5” leveling kit
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I’ve had plenty of friends run stocks with 35s and nothing more then a 2” leveling kit thank you for the info!