You might also need a new linkage (shift rod), the U-joint thing in it tends to wear out and it's not replaceable. I think a new one from Honda is 25 bucks or so. For the bushings, get the Energy Suspension shifter stablilizer kit.
the ES kit does solve some of the slop from under the shifter.
but tom is right that the universal joint is the cause for most of the slop usually. and its not replaceable. but it can be rebushed by the skilled machinist. someone was selling new Ujoints that you could cut the old one off and reweld. but that was a LONG time ago.