Allows the Engine Crank to be Manually Adjusted. 62310 Works on Cummins 3.9L, 8.3L, B & C series 5.9L and 6.7L diesel engines. Can be used to make sure the engine rotates freely while troubleshooting other issues or to access torque converter bolts. Use with 1/2" square drive.
WARNING: Cancer & Reproductive harm www.P65Warnings.ca.gov