DO NOT run 'lift' torsion keys!!!
They put an extreme amount of preload on your bars, and allow you to crank the bars FARTHER than you want to. You'll be eating up balljoints and tierods like crazy. If you've got a 4x4, say good bye to your CV shafts really fast. Plus, they do the exact same thing as cranking your bars, they just allow you to crank even more, to a dangerous level. I mean, unless you like spending $500 in ball joints every year and having a rough ride and having saggy torsion bars because they are cranked so much...go ahead.
Spindles.