The OTC Ford Master Cam Tool Kit, No. 6690, enables users to adjust cam timing on any Ford car or truck that has a timing chain or belt. This 40-pc kit covers L4, V6, V8 and V10 engines with 2V, 3V, 4V valve configurations, model years 1991 to present. The kit includes an application guide with diagrams that calls out different adapters. The kit also includes a blow-molded case.