Just an FYI....
I do have brand new reproduction arm rest bases in stock, it may be a cheaper way to go compared to repairing, and then re-chroming your originals.
C-Body:
Long Length (wedge style):
TP-646FALBL 1964-66 Plymouth / Dodge All - Chrome long Wedge style (11") for the
Drivers Side Front $ 98 ea
TP-646FALBR 1964-66 Plymouth / Dodge All - Chrome long Wedge style (11") for the
Passenger Side Front $ 75 ea
TP-646FALBP 1964-66 Plymouth / Dodge All - Pair 11 Wedge armrest bezels $149 pair
Extra-Long Length (wedge Style):
JL-99111D 1964-66 Plymouth / Dodge All - Chrome Extra-Long Style for
the Drivers Side Front $ 49 ea
JL-99111P 1964-66 Plymouth / Dodge All - Chrome Extra-Long Style for
the Passenger Side Front $ 39 ea
JL-99111 1964-66 Plymouth / Dodge All – Pair chromed Extra-long bezels $ 79 pair