You can use either bar.
I have found that some brands of Tri-Y's my need the '66 style adjustable lower clutch rod. Has to do with the positioning of the inside tube. Also while your at it check for interference with the pitman arm. Some headers need to be dimpled. Getting all this to work is what doomed our all stainless steel Tri-y's we had for a while.
National Parts Depot
1965 Conv:Street driven concours
1966 Coupe: Daily driver and toy