same as all the one's above -> get a heavier one. I also have a KB SS but i changed the stock knob to the duracon 6spd. It looks fantastic but is waaay to light (even the stock knob is heavier and has a better shifting feel) Due to the leverage being less than stock with the KB and stiffer bushings the throws require more effort. Having a heavier knob helps alot with making the throws easier.
So yeah i'd look out for something heavier than stock.