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