67 Barracuda Front Sway Bar

QA1 doesn't sell a swaybar for your set up-- unless you have a QA1 coil over conversion or a QA1 K member.

step one: what K member do you have
step two: what lower control arms do you have
step three: what brakes do you have (73~76? are the calipers front or back)

don't guess. confirm what you have.

once you've ascertained that, then you can set about finding a bar that will work with the components you have.