will these fit
 

I have a 2003 H2 that will have a 3 inch keys and spacers lift on it.
I would like to know if a 18 x 10 wiith a -24mm offset will fit the H2
Then i would like to know if that same wheel with a 38 x 1550 x 18 tire on it will fit
And if not, will a 1/2 inch spacer allow it to fit