ok then, get the 3" keys. That is a better idea than cranking to get the height. yes you will need an alignment when ever you mess with the torsion bars, or the keys. A little advice from me to you would be to do some research on the key lift and see what it really does and better yet how it works. Check a few other forums out like gmt400.com and gmfullsize.com. Or you could save yourself the time and listen to this simple statement...cranking your stock keys is the exact same thing and adding new keys. both twist the torsion bar to gain lift. The only way to gain lift without cranking is a true differential drop type lift so until you are ready to spend some money on that either crank the stockers or don't. But don't get keys thinking it will not tear up teh front end of your truck
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