250F 2004 CRF250R cylinder head on 2005 CRF250R

Cylinder head from a 2004 CRF250 on my 2005 CRF250, will it work? Looking for a used head, would a 2004 work or should I look for a head from just 2005. (Valves included with used head, want to make sure everything is the same)
 
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