15x7 4.25 backspacing on the front. Does it work?

Looking at small bolt 15x8 and 15x7 rallye’s. 1970 Duster

Anyone know if the 4.25 backspacing on the front clear everything okay? I think it should but I only have 15x6 with 3.325 backspacing on it now to compare to.

@72bluNblu ??