I just did the same thing and needed the same parts.
Dip Stick/Tube: Mancini Racing $23.00
http://chucker54.stores.yahoo.net/trststdi.html
Hard lines: If have slant 6 lines and want to do a little bending they will work, if not Ebay for around $40.00 + shipping
Kick Down linkage: 80's...