Air Suspension Max wheel and tire size?

[moto111]

So im planning on doing air suspension by the end of summer but first I have to buy my wheels. Im looking at 20x10.5 in the rear with 285 or 295 size tires. Will this work or can anybody give me advice on max sizes I should be doing?

Thanks for any help.

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[Paul@PKAUTODESIGN]

Ive done a 11" rear with 305 tires all day long/

So for the 10.5 in the offset you want 285/30/20