AVCS Intake Cam Sprocket Holding Tool for Subaru Impreza WRX STI Forester XT Legacy GT Baja Turbo (1Pc AVCS Intake Cam Tool). Allows for removal of the AVCS intake cam sprockets without damaging the cam or the sprocket Sprocket specific interface will not round out internal pulley spline like other designs Perfect tool for cam seal renewal, cylinder head removal, or motor tear downs 3-piece welded construction handles the torque High precision laser cut construction fits perfect Long integrated handle makes it easy for one person Comparable to factory tool #499977500.