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Home > Products > Super Dampers > Subaru Super Dampers

Super Damper® Harmonic Dampers





Subaru Impreza WRX Super Dampers


ATI's Super Damper for Subaru EJ20, EJ22 and EJ25 engines - Part # 917991. Unlike undampened underdrive pulleys, which offer no protection to high performance engines, the ATI Super Damper provides balanced dampening of torsional crankshaft vibrations at all RPM levels. The ATI Super Damper comes with laser-etched timing marks and is a direct replacement for the OEM unit. The ATI Super Damper is a critical component for all high performance cars to help protect against engine harmonics and features four-groove and five-groove serpentine belt drives on the outer shell to utilize the factory serpentine belt set-up. All ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition use.



CLICK ON IMAGE TO ENLARGE

ENGINE
DAMPER
PART #
OUTER
DIAMETER
WEIGHT
SHELL MATERIAL
SHELL #
RIBS
HUB #
HUB MATERIAL
SUBARU EJ-20
917991
5.5"
-
ALUM
916883
5 & 4
916884
STEEL



Subaru BR-Z Super Dampers


ATI's Super Damper (Part # 918482) for the Subaru BRZ and Scion FR-S 2.0L boxer engine is designed for both street and high performance racing applications. The new aluminum-shell, steel-hub damper features a 10% underdriven belt drive that works with the OEM belt set-up. It's a direct fit replacement for the stock OEM unit and is better capable of handling a wider variety of driving habits that owners will put their new cars through. OEM dampers are optimally tuned to a narrow band of perceived normal driving conditions and do not perform well outside of those limits. The ATI Super Damper can handle any engine speeds and driving conditions that get thrown at it to better protect your engine. ATI Super Dampers provide balanced dampening of torsional crankshaft vibrations through all RPM ranges and exceed SFI 18.1 Safety Certification for competition use.



CLICK ON IMAGE TO ENLARGE

ENGINE
DAMPER
PART #
OUTER
DIAMETER
TOTAL WEIGHT
SHELL MATERIAL
SHELL #
RIBS
HUB #
HUB MATERIAL
SUBARU FA-20
918482
7.074"
10 LBS
ALUM
916960
6 (10% UD)
916148
STEEL
 
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