1994 Explorer Sport Rim question and nerf bar question.

I have been roaming this board for the last year and I have got alot of helpful information. If anyone can help I have two questions....


My first question is if 20 inch rims off of a 02 Explorer will fit on my 1994 Explorer? The wheel size on the rims is 275/45/20. My question is will they fit and if so will I have problems with rubbing? ( I also know putting big rims on a explorer does not help how it drives lol )


My other question is how hard is it to install nerf bars on this year?

Thanks for all help in advance..