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ATI Super Harmonic Damper for Subaru EJ20/EJ22/EJ25 Engines

The ATI Super Harmonic Damper is engineered to provide balanced dampening of torsional crankshaft vibrations at all RPM levels, protecting high-performance Subaru engines from damaging harmonics. This direct OEM replacement features a 5.5-inch aluminum outer shell combined with a steel hub, designed specifically for the Subaru EJ20, EJ22, and EJ25 engines. It includes four-rib and five-rib serpentine belt drives to maintain the factory belt setup and comes with laser-etched timing marks for precise tuning.

  • 5.5-inch outer diameter aluminum shell
  • Steel hub for durability
  • Four-rib and five-rib serpentine belt drives
  • 5% overdriven pulley for enhanced performance
  • Laser-etched 360° timing marks
  • Exceeds SFI 18.1 safety certification, approved for competition use
  • Designed to reduce parasitic horsepower loss by eliminating harmful crankshaft harmonics

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

Contact
ATI
6718 Whitestone Road
21207 Gwynn Oak
USA

info@atiracing.com
https://www.atiracing.com/
Responsible person
Streetstylez Ltd. & Co. KG
Heinrich-Lorenz-Str. 2-4
09120 Chemnitz
Germany

info@streetstylez.eu
www.streetstylez.eu
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