ATP Harmonic Balancer - 102470 Part #: 102470 Line: ATP ATP Harmonic Balancer Limited Lifetime Warranty Material: Cast Iron Groove Count: 8 Hardware Included: No Belt Type: Serpentine Pulley Diameter (in): 7-9/16 Inch Pulley Diameter (mm): 192mm Degree Markings Included: Yes Number Of Bolt Holes: 4 Bore Type: Smooth Number of Integrated Pulleys: 1 Balancer Type: OE Replacement Balancer Style: Grooved New Keyway Included: No Inside Diameter Bore Size (in): 9/16 Inch Inside Diameter Bore Size (mm): 15mm Show More Show Less