ok, I'm in the market for a pulley for my car, however...one concern of mine, I know with hondas and a few other cars, if you take out the pulley and replace it with an aftermarket one, you loose the harmonic balencer in the pulley (basically little rubber grommet).....now from what i've heard, the scions are internally balanced, so that won't effect our motors...any confirmation on this? i don't want to get a new pulley without the balancer and end up hearing that lovely ticking noise in a couple of months or so. Thanks 