Will have no problems running a 285/75/17 with the lift.
MikeyB
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'03 2500 QC SWB 2wd, 305/555, NV5600, 3.73 LS, Airbox mod w/Amsoil Ea, Adjustable boost elbow, PML diff cover, Westach boost/EGT gauge, Line-X, Toyo OC AT 285/70/17 E, Daystar 1.5" lift, Monroe Reflex, Raptor RP100, Lazarsmith Intake, Smarty/Van Aaken C3.2