It includes the necessary adapters for servicing General Motors 3.1L, 3100, 3400, and 3800 V6 engines; GM 2.3L Quad 4 four-cylinder engines, and Ford 4.6L, 5.4L, and 5.8L modular V8 engines. From our first specialty tool, the Model-T valve spring lifter, to our latest ratcheting puller, weâve built our reputation with tools that make tough jobs easy.