ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black - Internal Balance - Small Block Chevy 917320 57900BK 1991-1999 Chevrolet C1500

1991-1999 Chevrolet C1500

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or 7 Series Ignition with its white wire or points terminal

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ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black - Internal Balance - Small Block Chevy 917320 57900BK 1991-1999 Chevrolet C1500ATI 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