Well there may be a chance it will fit if you don't have cable management. I have a Cooler Master Elite 350 (crappy case
) and its width is 180mm and it fits. . Either way if you want a guaranteed fit then go for the Cooler Master Hyper TX-3 Evo/or just the normal one. It is smaller and will fit for sure and have great temperatures compared to the stock cooler.
Edit: Mocchan has posted a much better cooler but if your wanting to save a lot of money for stock clocks then no harm done getting the TX-3. You will get better temps with the cooler he has provided though compared to the TX-3 but the TX-3 will do a better job than the stock cooler.