KC Billet compressor Wheel Balanced with our new s300 style Turbine wheel. Included is a 360 thrust bearing. The entire assembly comes balanced and ready to install. Our drop in 6x6 style billet wheels with extended tips are a great upgrade for someone looking for a little quicker spool, a little more air flow, and lower egts. This wheel is not noisy like some of the other wheels on the market, but you can literally hear more air flow with this installed. This wheel will eliminate any surging problems. You will experience and increase in boost, lower egts, quicker spool, and ELIMINATE surging issues with this wheeL.