Newb Questions-leveling kit

[MHowie]

Whats the differance (pros and cons) between a torsion key kit and a strut spacer kit? Whats the benifit of having a spacer on the top of your strut as well as one one the bottom like the ready lift kit? And also does anyone have dimensions to make your own strut spacers?

[MHowie]

Thanks man, now just to find a drawing of that lower spacer. Got a buddy with a machine shop. No prob to make.