67 Valiant sway bar

I think you need to use a 67-72 sway bar. 73 is mounted differently on k member. I'm not sure if the 73 sway bar tabs will work. I think they might? Hopefully someone will chime in on that. I believe you can order 68-72 tabs and weld them on your existing arms.
Mopar A/B/E Weld On Sway Bar Tabs - Bergman Auto Craft