The Kartboy Aluminum Engine pitch stop mount is a solid one piece CNC cut mount that prevents pitching movement of the motor and transmission during hard acceleration and deceleration. This translates to less wasted energy and more power to the wheels. This mount shares the same high quality as you have come to expect from all Kartboy products, and will not disappoint . Fits all 2002+ WRX and STi's, GC8 and FXT.