From GMC and Chevrolet maint manuals.

http://i391.photobucket.com/albums/oo352/46Canopy/Stabilizer1.jpg

http://i391.photobucket.com/albums/oo352/46Canopy/Stabilizer2.jpg

http://i391.photobucket.com/albums/oo352/46Canopy/Stabilizer3.jpg

I am fairly sure the 1941-1946 GMC CCV-100 is the same as a 1941-1946 Panel Job. The Stabilizer bar per Chevroleet is usable on other models other than the Panel Jobs.