Features and Benefits: Designed to remove and install press-on-type belt driven accessory pulleys found on most vehicles Kit includes components necessary to remove and install pulleys on pumps with the common 3/8-16 threaded shaft Unique interchangeable component removes and installs pulleys on GM Quad 4 GM 3.1 L and Ford 4.6L engines Designed to be used with either hand tools or an impact gun. Kit includes an instruction pamphlet with detailed diagrams Designed to remove and install press-on-type belt-driven accessory pulleys found on most vehicles.Kit includes components necessary to remove and install pulleys on pumps with the common 3/8 -16 threaded shaft.Unique interchangeable components remove and install pulleys on GM Quad 4 GM 3.1L and Ford 4.6L engines.Designed to be used with either hand tools or an impact gun.Kit includes special holding bar to stop housing from spinning during use with an impact gun; also comes with a pamphlet diagramming detailed instructions.