You'll need rolled and pumped guards and not too low to try make that work. that's a fairly wide tyre with a lot of side wall. Imagine your stock rear wheels being about 18mm further out towards the guard and that's just the wheel, then the tyre will be at least about 10-20mm wider than that. So imagine 40mm further out from where it is now. Plus it wouldn't be advised to go so wide on a 9.5" 305 is better suited for 10 or 10.5" wheel