Cummins Rear Crank Tool

Cummins Rear Crank Tool 4 cyl B series (3.9L) 6 cyl B series (5.9L) 6 cyl C series (8.3L) Crank shaft baring tool for rotating crankshaft. Works to turn over engine when it is on some stands, uses half inch ratchet drive Drives the rear of the crank shaft.