I see NOS stovebolt rod bolts on Ebay occasionally, but the powers that be on the forum don't like to see ebay links posted for some reason. Try searching the "antique engine parts" category (or maybe "vintage"?)
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!