2316 Primary drive lock tool

This JIMS primary drive lock tool is an essential addition to the toolbox for anyone working on classic Big Twins. It is engineered to lock the clutch hub sprocket and the motor sprocket firmly in place during primary service work. By wedging the tool between the sprockets, you can safely remove or torque down the engine and clutch nuts to factory specifications. This tool fits 1936 to 1986 4-speed Big Twins, 1986 to 2006 Softail models, and 1991 to 2005 Dynas. Whether you are doing a simple inspection or a full primary teardown, this tool provides the mechanical advantage needed to get the job done right without damaging your drivetrain components.