63 what? there are two sizes of B&T,

Brewer's has the big style, mopar pn 2275514.

http://www.brewersperformance.com/proddetail.php?prod=UJB

But I don't see a Dorman listing, unless it was a repurposed CV joint boot.

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.