Not sure if this information will help, because I'm in Australia. I have just fitted a factory late-model (1972) Valiant sway bar to my 1964 Dart GT. I cut the sway bar ears off late lower control arms and welded them onto the original ones, fabricated some inner mounting brackets and welded those on. I tacked all that together before removing the K-frame from the car and welding it properly. I think the photos describe it well.
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