02 silverado c notch

[seanhawk]

I was wondering if this c notch will work on my 02 silverado 4wd and im going to get the spindle that in the cart also. I was just making sure the notch will work before i buy it. Also can i weld it in instead of bolting it?
http://www.stylintrucks.com/shopcenter/view_cart.aspx