Leafsprings for 64 Dart Gt

If the springs are broken , air shocks will make things worse . Leaf spring interchange for 1964 Dart GT : Barracuda , 64-66 ,67 except 383 , 68-9 except 383 and HD . Dart , 64-66 HD , 67-9 except 383 and HD , Dart 73-76 : Valiant , 64-69 HD , Valiant 73-76 . According to my manual .