Yes I believe they will work...because of you look at when you by injectors they are all the same thing...whether they look different or not...
Plug them in and see...I see no problems...as long as the fuel injector connector clips on it should work...
The intake design on the 4.6's are much different than the design on the 5.0 so is most likely the reason for the different look (possibly to have clearance)...
The key to whether they will work is tne connector - there are two styles, the "oval" and the "rectangular" (Mustang style). Here is a vusual guide..........