You will need longer studs. Stock ones are not long enough and will leave you with not enough thread (unsafe). Putting on spacers is easy enough, changing out the bolts is somewhat harder.
DIY: Front Stud replacement/ Spacer install
Installing ARP wheel studs
DIY: ** Rear 20mm stud replacement spacers
I am no expert (meaning I have never done it before), but if you think you could use an extra pair of hands, I might be willing to help out.