Unless those oddball locks break, they can be reused. If you want new ones most of the resto-ripoff places have them- - - -and they only want a couple of pints of blood for them. A 6-lug modern axle is probably out of some flavor of 4WD S-10, don't remember which years.
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!