Compare Maximum number of 4 items selected ATP Harmonic Balancer - 102473 Part #: 102473 Line: ATP ATP Harmonic Balancer Limited Lifetime Warranty Balancer Type: OE Replacement Balancer Style: Grooved Material: Cast Iron Belt Type: Serpentine Bore Type: Smooth New Keyway Included: No Inside Diameter Bore Size (in): 1/2 Inch Inside Diameter Bore Size (mm): 13mm Number of Integrated Pulleys: 1 Pulley Diameter (in): 6-5/16 Inch Pulley Diameter (mm): 160mm Groove Count: 4 Hardware Included: No Degree Markings Included: Yes Number Of Bolt Holes: 2 Show More Show Less