ATI Super Damper Harmonic Damper (Includes Crank hub) Part Number: ATI 918607 The patented ATI Super Damper is the only damper designed exclusively for high performance engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18.1 specs Black zinc chromate finished Tunable, rebuildable, and extremely efficient at ALL RPM Laser engraved 360° timing marks Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight.
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