• Locks flywheel in place when removing harmonic balancer
• Use on 6.6L Duramax engine with Allison automatic transmission
• Instead of having to remove the starter, save time by locking the flywheel at the transmission for water pump replacement
• Included 36mm 12-point socket with 3/4 square drive is used to remove harmonic balancer bolt and re-torque during installation
• Applications: Chevrolet Silverado 2500, 3500, 4500 & 5500