ATI Super Damper Harmonic Damper (Includes Crank hub) Part Number: ATI 918582

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).


  • Aluminum Shell
  • 4 & 5 Rib
  • w/PS Pulley  (The PS Pulley Is A 4PK Design Making It Cross Compatible with S14/S15  I.E: Running a 3PK Belt On The 4PK Pulley Is Fine)
  • 5.5" OD
  • 3 Ring
  • Total Weight 3.60lbs
  • Inertia Weight 2.27lbs

S13 Silvia "SR20DE"
​S13 Silvia "SR20DET"
RPS13 180sx "SR20DE"
​​RPS13 180sx "SR20DET"
S14 Silvia 200sx "SR20DE"
​S14 Silvia 200sx "SR20DET"
S15 Silvia 200sx "SR20DE"
​S15 Silvia 200sx "SR20DET"


SKU 205-206
Brand ATI
Shipping Weight 3.5000kg
MPN: ATI 918582

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