Rim Choice with Dr. Diff's 13" Brakes

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I have the American Racing Torque Thrust M in 18x9 +35 with 275-35-18s. I had had the wheels machined before I did the Dr Diff brakes anyway, but it wasn't a big deal to get them cut given the wheels were less expensive to start with. The center caps are rocket racing wheels and they machined it for them at the same time. But they clear the brakes perfectly.