rough country coils, 3 in susp lift, but will it work??

[91'explorer 2wd]

ok guys, i really need your help on this one, i was looking over the rough country 2wd susp lift, and i noticed that there was a coil that would lift it 1 1/2 and a coil spacer for 1 1/2, can i combine that for 3 inches up front, then just throw in the add a leaf and a shackle in the rear just to level it out. come on y'all help me out

 

[91'explorer 2wd]

hello, any advice would be extremely helpful.

 

[Dannyboy]

the only disadvantage will be that you will have little downtravel and also it may be hard to aliagn.