ATP Harmonic Balancer - 102110 Part #: 102110 Line: ATP ATP Harmonic Balancer Limited Lifetime Warranty Material: Cast Iron Groove Count: 6 Hardware Included: No Belt Type: Serpentine Pulley Diameter (in): 6-9/16 Inch Pulley Diameter (mm): 167mm Degree Markings Included: No Number Of Bolt Holes: 0 Bore Type: Smooth Number of Integrated Pulleys: 1 Balancer Type: OE Replacement Balancer Style: Grooved New Keyway Included: No Show More Show Less