does Eibach Suspension Kit really work?

yes they are and they have been around a long time, they are more well known 20 years ago for heavy duty truck overload springs, are a little more expensive but its all top quality there is no question in my mind there. And you are not going to break any thing with out abusing the hell out of it that much I can tell you. And at first when you use this stuff, keep in mind it takes a few weeks or months depending on how much driving to get any kind of spring kits worked in right, you dont just slap some stuff on and ride like a cadillac at first. It all depends on what you want, you want good top quality parts go with Eibach they have and are a proven winner. you want less expensive, cheaper stuff, you can find that too, but I would buy or go look at the kit, and go look at the competitiors kit, and I think the difference will be clear.

yes.

truck will handle better too.