There is 3 in the parts book.
5.0L manual WITH evaporative and WITH exhaust emission control 9932891
5.0L Auto WITH evaporative and WITH exhaust emission control 9942656
5.0L engine WITH evaporative WITHOUT exhaust emission control 9929854

Mine being GTS sedan is L31 T400 WITH evaporative and WITH exhaust emission control

then I did a google search. and found this from years ago! You still got that manifold Byron lol?

http://www.fastlane.com.au/forums/to...89&whichpage=1