Why on earth would you want to use such a thick tire?
I highly doubt that would fit, even on stock springs.
Your speedo will be completely off... Actually traveling 60mph, your speedo will be reading about 54mph.
Factory tire height is about 25 1/2"... with those monster truck tires they're going to be about 28 1/4".
Check out 1010tires.com ... They have a very useful tire size calculator in their tech section.