Compare Maximum number of 4 items selected ATP Harmonic Balancer - 102230 Part #: 102230 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): 1-1/4 Inch Inside Diameter Bore Size (mm): 31mm Number of Integrated Pulleys: 2 Pulley Diameter (in): 4-3/8, 5-13/16 Inch Overall Width (in): 2-3/16 Inch Overall Width (mm): 55mm Groove Count: 4, 6 Hardware Included: No Degree Markings Included: Yes Number Of Bolt Holes: 2 Show More Show Less