Buschur Racing Shifter Base Bushings for Mitsubishi Evolution EVO 8 9 VIII IX The purpose of these bushings is to replace the spongy rubber bushings under the shifter housing. This in return will stiffen up the shifter feeling and offer you a better shifter feel. These are compatible with the 5psd or 6spd models of the Evo 8/9. Our shifter bushings install in a matter of minutes. You will recieve 8 precision machined aluminum bushings with this kit.