I stumbled across this 1968 Buick Riviera
And subsequently searched for this:
https://www.opgi.com/riviera/G240874/
Not quite the same profile but aliminum bends easily. Perhaps worth investigation.
And subsequently searched for this:
https://www.opgi.com/riviera/G240874/
Not quite the same profile but aliminum bends easily. Perhaps worth investigation.