Raising back to stock

Hello fellow S10 owners, first of thank yo unto all those who responded to my first post about finding out my truck had been lowered by previous owners 😂 with that being said I went to a junk yard and took some stock spindles/springs. Today is the day I finally change em back and I’ve ran into a little bit of a problem so I’ve come back to ask for more help/advice. The bottom of this piece of this broke and I’m unsure what it’s called to get a replacement. Also any advice on raising back to stock is greatly appreciated. Thanks