Should not bend axles to align...Nonsense, the axles are cambered when new. How do you think this done? They can't manufacture "bent" pipe. The axles are bent at the factory to put camber into them..How do they align Big Trucks? They bend the axles. The add on kit you speak of is called a Correct Track. It can ONLY adjust the spacing between axles. cannot set camber, or toe, only tracking. Don't waste your money. As I said before bring it to a big truck alignment shop and have it aligned. Just because it doesn't have adjusters like a car doesn't mean it can't be aligned...
B.O.