Compare Maximum number of 4 items selected ATP Harmonic Balancer - 102408 Part #: 102408 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): 1-3/8 Inch Inside Diameter Bore Size (mm): 34.9mm Number of Integrated Pulleys: 1 Groove Count: 6 Hardware Included: No Degree Markings Included: Yes Number Of Bolt Holes: 0 Show More Show Less