CPU heatsink tight tight very tight fit

Quadacon

Distinguished
Feb 16, 2013
302
0
18,810
Hi, I am upgrading my old intel heatsink to this: http://www.deepcool-us.com/Product/GAMMAXX_400/ its the Gammaxx 400.

here is my problem:
my Case: Thermaltake Chaser A31, its maximum heatsink height is: 160mm
Gammaxx 400 height: 159mm

that leaves ONE SINGLE MILLIMETRE.

should I risk it?
will it look bad/strange?
will it even fit??

please help ;)