I am looking on a local forum and am trying to figure out if the wheels a guy is selling will fit w/o my spacers, as its a PIA to get wheels serviced w/ spacers, as discount tire won't touch them.

I have a TF 2.5 coil lift. the rims are XD Hoss 17x9, Offset: -12mm, will that work w/ my setup?

 

I found the part number it says it has 5.71 backspacing, is that enough/too much? People always say "at least -4.5" I'm still a little lost!