Engine Barring Tool for Cummins B/C Series & Dodge Pickup 3.9L 5.9L 6.7L & 8.3L
(Engine Barring Tool Makes Rotating The Engine A Breeze For You ! 2) Just insert the tool into the flywheel housing until it engages the ring gear, then attach a 1/2" square drive ratchet or breaker bar and turn.