The off set is 42 i didn’t have to do any fender rolling at all or spacers pretty much just bolt on a drive if ya got struts in the front and not coil overs don’t go over 18" i got about 1/2" of clearance between the strut and the wheel. As for Rubbers
Front 225/40 R18
Back 225/35 R18
Best of luck and post up some pics once ya get your wheels 