Hammering a balancer on ruins the crank thrust bearing, and levering one off ruins the balancer. This tool does both jobs properly by pulling against the crank snout thread, and the roller thrust bearings mean the torque you apply goes into moving the balancer rather than into friction.

Proform 66514 Harmonic Balancer Installer and Puller Tool Features:

• Installs and removes harmonic balancers on Ford, GM and Chrysler engines.
• Roller thrust bearings for smooth operation under load.
• 3/4 in.-16 main shaft.
• Includes 7/16 in.-20, 5/8 in.-18 and 1/2 in.-20 adapters plus removal hardware.
• Also works as a universal puller for steering wheels and pulleys.
• Maximum recommended torque 150 ft.-lbs.
• Sold as a kit.