Slop in the front hubs?

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I've noticed that my car has a little upwards/downwards slop in the front hubs. I've check that I fitted the correct bushings and the correct spacer on the bottom inside of each hub. On closer inspection it appears that the slop is due to the metal bushing being slightly too long, allowing the hub to move.

Does anyone else have this problem? I haven't yet run the car.