Rebuilding a 2008/2010 engine

Bad news. The 2008 and 2010 are to very diffrent motors in 2009 the Hemi changed to variable timing. And 2008 and 2010 heads are diffrent the cam is diffrent the accessories are diffrent, timing chain covers are diffrent, you can physically bolt the 2008 heads on but that where it ends the ports, and combustion chambers are completely diffrent. You need to find 03-08 stuff or keep the 2010 block and find everything else that's 2009-2012. You can make the 08 heads work but it will take alot of reworking, but none of the other stuff will work. It's all up to you.