Compare Maximum number of 4 items selected Pioneer Harmonic Balancer - DA7051 Part #: DA7051 Line: PIO Pioneer Harmonic Balancer 1 Year Limited 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): 2-1/16 Inch Inside Diameter Bore Size (mm): 52mm Number of Integrated Pulleys: 2 Groove Count: 5, 5 Hardware Included: No Degree Markings Included: Yes Number Of Bolt Holes: 0 Show More Show Less