OTC Master Cam Tool Kit OT6690 OTC Ford Master Cam Tool Kit allows the technician to adjust cam timing on any Ford car or truck that has a timing chain or timing belt. This kit comes with all the adapters you will need to enable you to service vehicles from the mid 1990's to today's current model year vehicles. Kit works on 4 cylinder, 6 cylinder, V-8 V-10's engine configurations. The handy laminated reference guide calls out the different adapters the kit provides for you to adjust cam timing. Etched on each adapter is the reference number the manual tells you to use to service any given vehicle. The reference number is also located in the sturdy blow molded case just below where the adapters are stored to help you stay organized. The detailed reference manual, included with the kit, walks you through the procedure with helpful tips and calls out the adapters you will use. Kit contains 40 tools to ensure correct cam timing when servicing timing belts, chains, head gaskets, or other valve train repairs. Covers L4, V6, V8, V10 engines with 2V, 3V, and 4V valve configurations, model years 1991 - present. Application guide with diagrams and blow molded case included.