Ok, lets clarify a few things to get straight. There are a few ways to compensate for the correction of steering geometries. Too many people get some terms mixed up, so here's what we have:
Drop pitman arm: Made by Skyjacker, is a true 1.5" drop.
Raised steering arm: Made by numerous lift manufacturers, all offer 4" raised, Skyjacker is the only one offering a 6" raised arm and using this arm requires longer studs.
Raised steering block: Made by numerous lift manufacturers, only 2" and 3" blocks offered unless others are custom made. Using these will require longer studs.
On your Sub, with a lift of only 3", I would go with the 1.5" drop pitman arm. You could get a true 3" by using the raised steering blocks but removing the stock studs is a PITA.