Need help have a huge headache just miss ordered 1,000 dollars in stuff I have t

[RedRum240]

returned the prior wheels I bought and I need to know somthing before I buy these 5Zigen F10RC's....

I want 17 inch... I have eibach prokits w/ tein shocks. 1993 coupe 240sx. I want the rims to offset the body so the rims will come out to the body. id rather have it too short than stick out cause if worse comes to worse I will just buy a spacer.

I want 8 inch all around. 9 inch rear if possible. I want the tires to stick up about 1.75-3 inches above the rim. I dont know how to do all this sizing and its giving me a HUGE headache. what offset's will I need for the 8 inch wide 17" all around? and what size of tires will I need so that I will clear my shocks/springs.