The Cal-Van Tools Ford and Mazda Camshaft Alignment Kit is designed for servicing the timing belt, chains, head gaskets or other valve train repairs on Ford, Mercury and Mazda Vehicles. The easy alignment tool takes place of pins needed in similar tools. Pins can be difficult-to-access and add time to jobs in cases where other components are needed. Also with pins user error can lead to pins being bent and stuck. The easy alignment tool is screwed into sparkplug hole and turned by wrench to align cams.