Yup, 1” - you’ll be shocked though at how high you can actually stuff the tires at full bump. I use this picture a lot as the example. I trimmed more after this but you can see the issue.
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I wonder how much of that is a result of the Tundra arms? I have a .75" BL and can clear with full uptravel. I did pull the fender outwards about .75" at the top. Have not trimmed the fender yet other than forward of the tire.