Wheel spacers to clear 325/65/r18

[Eaglehemi345]

Hi everyone. I have oem trx wheels and tires that i will be installing on my 2020 sport with 2.5inch lift in the front and 1 inch in rear. Does anyone know how thick of a wheel spacer do i need?
I will be using icon tubular upper control arms as well. Any inupt is appreciated. Thanks.

 

[firemedic10584]

I'm looking for a set as well. Everything I've read says you can use a 1/4" spacer and it'll just clear the UCA and you won't need longer studs.