If I take my cv joints out can I put in a 2wd spindel? I want to use the lowering spindels in front and the shackles in back. I just want to know if compatiable with the 4wd without the cv joints being an equazion?

I have the torsion key and the blocks already to lowe it. I want a smoother ride so I want to try the spindel, just didn't know if it would work.