Compare Maximum number of 4 items selected ATP Harmonic Balancer - 102418 Part #: 102418 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): 1-1/8 Inch Inside Diameter Bore Size (mm): 29mm Number of Integrated Pulleys: 1 Pulley Diameter (in): 8-3/8 Inch Pulley Diameter (mm): 212mm Groove Count: 8 Hardware Included: No Degree Markings Included: No Number Of Bolt Holes: 4 Show More Show Less