Features and Benefits:

• 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. Visit ctatools.com for instructions.


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. Visit ctatools.com for instructions.