Fluidampr Steel Internally Balanced Crank Pulley (Harmonic Balancer for Honda S2000The Fluidampr Steel Internally Balanced Crank Pulley for Honda S2000 is designed to control destructive vibrations transferred through the crankshaft. This is done by effectively managing the torque spikes that occur when the air fuel mixture ignites in the cylinders. These spikes can cause torsional vibrations that can be damaging to engine components such as bearings and the crankshaft. Unlike stock rubber dampers that work at only one critical