oem wheels

Hello, I'm looking to put Nitto Terra Grapplers (aggressive thread) on my 2014 Ram. I have stock wheels on the truck and wondering if 305-55-R20 tires will fit on my wheels. Or will I have to purchase wider wheels too? I plan on putting a 2.5 in lift kit on my truck as well. Any help would be...

:w00t: *** FOR SALE - Set of 4 OEM Wheels ***:wavey: Wheels are factory alloy's - 20x9 inch with +19 offset. Very good condition, came off my 2012 Ram Express, I now have aftermarket wheels and tires. Asking $600.00 and buyer pays shipping. Will ship in 4 separate boxes using UPS, Fed Ex...