Features and Benefits:

• For use crank pulley dampeners without female threaded holes Heavy duty grade 9 drive bolt (class 12.9)

The Astro Tool 78450 HD Harmonic Crank Pulley Puller – GM LS, Ford Coyote, GMC, Chrysler, Dodge Jeep is designed with a heavy duty grade 9 drive bolt (class 12.9) and is used in crank pulley dampeners without female threaded holes.