Jims Balancer Bearing Installer Tool For Harley M8 Designed to precisely install the balancer bearings in the proper location for all M8 engines. Features: Milwaukee-Eight (M8) engines incorporate balancers to reduce vibration This precision machine installer, aligns to the crankcase via case bolt and dowel locations, allowing the technician to install the bearings on a workbench without the use of a driver or press Made in thee USA