ATI Performance Products 918562 Supra 3.0L Harmonic Balancer SFI 94-98 JZ

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Super Damper Harmonic Damper (Street) Part Number: ATI 918562


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
  • OEM equipment on 392 Mopar Crate Engines
  • Tunable, rebuild-able, and extremely efficient at ALL RPM
  • Laser engraved 360蔷董 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).

Specifics: Toyota Supra JZ80, 6-Cylinder, 1994-1998

  • Aluminum Shell
  • 172.212mm (6.780") OD
  • 3 Ring
  • Total Weight 1.77kg (3.90lbs)
  • Inertia Weight 1.09kg (2.40lbs)


  • [2] Requires longer belt: 15% OD, OEM, 6 rib. (Use Gates #K060775)
  • [3] 4 rib dry sump hub (#916022) available as a special order. This hub moves the serpentine grooves on the damper forward of the OEM location by .290. Shell assembly is # 917071.