OTC 6470 Camshaft Sensor Synchronizer Tool for Ford Cam Tools ensure correct cam timing when servicing timing belts chains head gaskets or other valve train repairs 1999 - 2003 3.8L V6 Windstar and 1999-2004 3.8L Mustang 1999 - 2002 5.0L V8 Ford Explorer and Mercury Mountaineer 2004 3.9L Monterey VIN 6 and 2004-2007 3.9L Freestar VIN 6 Same as Ford number 303-630