for the 18x8 fronts you are gonna want a final et of around 28-30 to sit flush so you will need somewhere around a 20mm adapter to go from 5X130 to 5X112.
for the 18X10 rears you will probably want somewhere around a et35, so 30mm adapters.
These are just guesses and probably the only way you will really find out is by testing some out...



