Hemi hood scoop types?

I'm shopping around for a Hemi hood scoop for my 1968 Valiant and I know which kind I want, but just don't know the "type" of Hemi scoop if there is any. I like the 1968 Hemi hood scoop with the 3 poles holding it up. I see all these Hemi scoops with 2, 3 and even 4 of those poles. Do you add those on there? Or do they come with the scoop when you buy it? Also, I noticed some of those Hemi hood scoops are taller/wider than others. I like the slightly shorter, wider scoop- not the scoop that stands really tall. Not sure of the dimensions of both types of scoops, but I'd thought I would ask you guys.

I'm looking at the S602 68 Hemi Scoop. (Dart and Cuda Style) Bolt-On style. 5"H x 34 "W x 24 "Long on this website: http://www.vfnfiberglass.com/Factorystylescoops.htm

Is that the one I'm looking for? The slightly shorter, wider one? Do I get the 3 bars with it to hold it up or are those separate?

Any help is appreciated, thanks!

The scoop in the pictures is the exact one I'm looking for.