his simple puller allows you to remove STOCK Harmonic Balancers from all 2005-2017 Mustang GT 3V and 5.0 Coyote engines. Lifetime warranty. This is the best tool on the market and used by the engine builders here at MMR who remove balancers on a daily basis! Carrying Case Included Works on factory harmonic balancers on the following vehicles: 2005-2010 Mustang GT and F150 2011-2017 Mustang GT and F150 NOTE: DUE TO ROUGH CASTING EDGES ON THE INSIDE OF THE FACTORY BALANCERS, SOME MINOR GRINDING MAY BE REQUIRED TO REMOVE THESE CASTING EDGES PRIOR TO INSTALLING THE PULLER, THIS CAN BE DONE WITH A SMALL DREMEL OR GRINDING TOOL.Learn More