Product Description: 1. Application: Injection Pump Gear Puller works on Cummins Engines Dodge Ram Bosch VE P7100 VP44 4BT 6BT. Engine Barring/Rotating Tool works on Cummins B/C Series and Dodge Pickups 3.9L, 5.9L, 6.7L & 8.3L Diesels Engines. 2. Use Instruction: Injection Pump Gear Puller--Used to remove the injection pump gear with ease and fast. Engine Barring/Rotating Tool--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. 3. Package Includes: 1PC Injection Pump Gear Puller with two heavy duty flange bolts; 1PC Engine Barring/Rotating Tool. .