Hey Guys-
Beau here from Australia - our Australia produced 1964 Valiant used the same switch and "operating lever" it has been a common problem to get your hands on a lever so we have have them re-made by hand down here in OZ!
View attachment 1715730150
I work for Hemi Performance, the link for the item is here:
Backup / Reverse Lamp Switch Actuator Clip Lever : Suit 1967 1968 1969 1970 A - B and C Body Chrysler Dodge Plymouth : Automotive Transmission and Column Shift
Our website will calculate the postage for you.
Cheers