That's what we've been discussing- - - -there's an accessory for some of the older valve refacing machines that's designed to accurately re-profile the tips of some types of rocker arms. Yes, stovebolt rockers can be re-radiused if the equipment is available. Try an oldtime auto machine shop- - - -they might still have the equipment, and somebody who knows how to use it.
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!