ATI Super Damper Harmonic Damper (Includes Crank hub) Part Number: ATI 918608

This drives water pump and power steering only. Altenator will need to be relocated inline with PS and WP.

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. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).

Steel hub, 2-ring, 5.00 lbs. total weight, 3.40 lbs. inertia weight.
Designed for racing use only.
​Crank spacer required on standard DE engines.

SR20DE (Front Wheel Drive)
SR20DET (Front Wheel Drive)
SR20DET (All Wheel Drive)


SKU 205-232
Brand ATI
Shipping Weight 3.5000kg
MPN: ATI 918608

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