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Trim to Fit
500 Harmonic Damper - SFI 918038
4' helmet hose connects to most helmet fresh air intakes with standard 1-1/4" connector
Sport I & Professional HANS Devices
CNC machined and dynamically computer balanced for smooth high RPM reliability
ATI Super Damper Harmonic Damper - SB Chevy - 7.074" Diameter - Aluminum/Steel - Internal Balance HASZ22SM Trim to FitATI Super Damper has become one of the industry's standards in harmonic vibration control, combining two dampening surfaces in one unit. At 6000 RPM, digital vibration tests proved the ATI Super Damper to be 30% more effective than original equipment style dampers. ATI Super Damper consists of an outer shell, inner shell, crankshaft hub, and eight individual elastomers. Reductions in torsional vibrations provide increased horsepower while improving
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