The Performance Tool W89710 is our heavy duty Harmonic Balancer Installer. Special adapters make this a complete master harmonic balancer installer set for most car and light truck applications. This Set includes the traditional installer adapters as well as long reach adapters for late model applications and will work on most European and Asian vehicles including BMW, VW, Toyota, Honda, Kia and Hyundai. The W89710 services harmonic balancers as well as under drive pulleys and recessed crank threads on Dodge Hemi, GM Gen III/IV, and Ford 4.6 and 5.4 modular engines. Heavy-duty forcing screw has internal threads to fit the threaded adapters and a blow molded case keeps set components organized for easy selection. This set is designed for professional auto mechanics and heavy duty applications.