Q: Can I use these ball joints on my vehicle if its at factory height?
A: No, these ball joints are for lowered applications.
Q: What about if I was to lower my car by 1.5" ?
A: Chances it will not do anything, because the suspension angle are not altered enough for the ball joints to correct your suspension geometry.
Q: Do I need an alignment after installing these ball joints?
A: Yes, you will need an alignment, you will also need to re-index your bushings after installing these ball joints, due to the change in suspension geometry.
Q: Will these ball joints change my vehicle height after I install it?
A: depending on your suspension setup, it may lower your vehicle height by approx. 20-25mm.