Harmonic Balancer - Fluidampr - Tractor Pulling - Universal Fit For Taper Lock Hubs - No Pulley - No Mandrel Bolt Holes - Steel - Black Zinc Chromate - 12-3/8" dia - 37 lbs - SFI 18.1 - Made in USA - Each
- Requires taper lock hub with 3.25" pilot.
- Clockwise and counter-clockwise laser engraved timing marks
- Robust competition design specifically for tractor pulling.
- SFI 18.1 spec.
- Made in USA.