Use a 7/8" drill bit to remove the swage from the top of the steering arm, then drive the ball out with a big pin punch and a BFH. This also creates a short tapered area at the top of the arm for the new part to swage into. It's simpler if you can get the piece into a drill press.
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!