Has anyone used one of these????
http://cgi.ebay.com/ebaymotors/8-Ford-28-Spline-Posi-Unit-Trac-Lok-8-Inch-NEW_W0QQitemZ220081076512QQihZ012QQcategoryZ33731QQrdZ1QQcmdZViewItem
Seems like a to good to be true kinda thing, but thought maybe someone here may be running one
http://cgi.ebay.com/ebaymotors/8-Ford-28-Spline-Posi-Unit-Trac-Lok-8-Inch-NEW_W0QQitemZ220081076512QQihZ012QQcategoryZ33731QQrdZ1QQcmdZViewItem
Seems like a to good to be true kinda thing, but thought maybe someone here may be running one