The Ford Cam Tool Kit Update contains 18 tools, with case locations for addition of the popular 6489 Ford Cam Tools, making a 6690 Kit. Ford Cam Tools ensure correct cam timing when servicing timing belts, chains, head gaskets, or other valve train repairs. 6690-1 tools cover L4, V6, V8, V10 engines with 3V & 4V valve configurations, model years 2004 ? Present. Application guide with diagrams and blow molded case included.