Yes, it pretty much bolts up with no issues. People have been swapping 2.4's into Neon's and Eclipses that had the 2.0 a lot lately.

Here's some info that may help if you are building up a 2.4 beast.
http://neons.org/howtos/24Laccessorybrackets.shtml
http://www.neons.org/forumdodge/ptvalvetrain.htm
http://forums.neons.org/viewforum.php?f=46