I am curious of how this works (what do I do, what tools do I need, how much will it cost, Where are the torsion bars) Thanks guys

If its of any use, I have a 2001 chvey blazer 2 door, 4x4

 

I'm just gonna let you know it's a pretty easy search on your part, but in the future people are gonna give you a hard time about this.

But here you go: https://blazerforum.com/forum/showthread.php?t=37078