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Moog 844 springs make it the way it should have come from the factory, but even that isn't level. To level it you'll need large spacers for your stock springs, or moog 844s with 3/4-1" spacers. You'll need a set of adjustable camber bushings and they'll be maxed out.
Sometimes it is better to change your mind instead of changing your truck. This is the case with "leveling". You will have no need to level your truck when you are level headed.
Most marketing is for useless crap. Don't get sucked in.
If you are dead set on leveling the truck then it's a good guess that you're not going to use it for what it was designed for(carrying big loads) so take the easy route and just remove the block in the rear spring pack. That also removes the bump stop but that won't matter if you never load it. Raising the front is a lot more complicated given the front suspension type.