Tire size advice needed!

[Billyk20]

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I have 35x12.5r20 on there now in the picture but I have 17s that I’m getting restored and then wanting to put 37s as a swap out set. Would I need a bigger lifer or will it fit, I’m willing to trim the inside as much as I can but I won’t be cutting the corners completely off. Any advice will help thanks!

 

[Grit dog]

In general, for K20s I’d say 4” lift = 35s without trimming. 6”= 37s no trimming.
depending on offset and considering normal driving conditions. Not twisting it up on a trial.
JMO

 

[Craig 85]

My K5 had a 6" full spring Skyjacker lift and 15/36R16.5" Radials. Wheels were 16.5" x 9.75" with 4.75" BS. These would have rubbed if I didn't use the cut out flares.

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[yevgenievich]

About 8" lift with 37. Fenders were trimmed when was running 38" tires

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[RecklessWOT]

37s are pretty big tires. You might get away with it if you don't plan to use it offroad, and you may experience some slight rubbing if making a full lock turn, but for general use you could be okay.

Though either way, you 100% made the right choice getting rid of the 20s.