Dorman OE Solutions 2 Groove Harmonic Balancer Pulley - 300-406 Part #: 300-406 Line: DOR Dorman OE Solutions 2 Groove Harmonic Balancer Pulley Limited Lifetime Warranty Material: Steel Hardware Included: No Belt Type: V-Belt Pulley Diameter (mm): 158mm Degree Markings Included: No Number Of Pulley Grooves: 2 New Keyway Included: No Show More Show Less