Pits in a wheel cylinder that are in line with the hole for the fluid to enter don't necessarily need to be completely honed out. The rubber cups never get pushed that deep into the cylinder because of the spring and the tapered metal expander cones that are included in any rebuilding kit worth installing in the first place.
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!