TracTuff Fluid Damper Crank Damper
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Performance parts related to the rotating assembly, such as rods, pistons, crank, flywheel/flexplate usually changes both torsional vibration magnitude and frequency. A stock harmonic balancer typically is only tuned for a 50hz peak variance. Move beyond its parameters and it may leave your critical engine components unprotected when torsional vibration is at its peak.
Due to the countless combinations of performance upgrades the simplest and more effective solution is to install a Fluidampr performance damper. By design, Fluidampr protects across a broad frequency and can become more effective as magnitude increases. The earlier a Fluidamper performance damper is installed, the more you’ll benefit from the protection, performance and durability in the long run. Most race sanctioning bodies require a SFI 18.1 spec damper as a safety caution anyways... so what are you waiting for?