Nope- - - -just replace them. They're simple small diameter freeze plugs, or they can be fabricated from flat sheet metal in a few minutes. Getting the king pins out without a dedicated press may be a challenge, though.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!