Based on my search
http://www.camaro5.com/forums/search...rchid=20262128
The original part numbers that were given out:
Front: 22798741
Rear: 22798743
were replaced by the following:
Front: 22798740
Rear: 22798742
Unless you can get a hold of someone from GM, I don't think we'll ever know the story behind the change
