• ATI's Super Damper for Subaru WRX EJ20, EJ22 and EJ25 engines
  • Dampens torsional crankshaft vibrations at all RPM levels
  • Protects against engine harmonics
  • Direct replacement for the OEM unit
  • Four-rib and five-rib serpentine belt drives
  • 5% Overdriven
  • Utilizes factory serpentine belt set-up
  • Laser-etched timing marks
  • SFI 18.1 Safety Certification and are approved for competition use



  • Shell Material: Aluminum, Part #916883 5% Overdriven
  • Hub Material: Steel, Part #916884
  • Inertia Weight: 2.2 LBS, 3-Ring


Vehicle Fitment:

  • Subaru WRX 94-14 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
  • Subaru STI 94-20 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
  • Subaru Forester GT/XT 98-13 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
  • Subaru Liberty 89-09 (EJ20/EJ25 - EJ20 will require 2.5L Sump)
SKU 917991
Brand ATI Performance
Unit Of Measure ea

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