A (factory) Chevrolet one will work too. They were used from 1955 thru 1962.

The main thing is It's wire wound in a ceramic housing. They get very hot making the reduction from 14V to 6.8 etc.

Your 54 is converted to 12V, right??

John M., I.I. #3370

"There are no shortcuts to any place worth going". -Anon