{"product_id":"917991-ati-super-damper-subaru-ej-wrx-sti","title":"ATI Super Damper Crank Pulley for EJ WRX\/STi (917991)","description":"The ATI Super Damper crankshaft pulley for EJ WRX and STi is suitable for high power street and race use. Direct replacement for the stock OEM damper. The damper's outer diameter is 5.5\" making it a 5% overdriven pulley.\u003cbr\u003e\u003cbr\u003eUnlike 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.\u003cbr\u003e\u003cbr\u003eThe 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.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eVehicle Fitment:\u003c\/span\u003e\u003cbr\u003e2002-2014 Subaru WRX\u003cbr\u003e2004-2021 Subaru STi\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eFeatures:\u003c\/span\u003e\u003cbr\u003e• High horsepower street \u0026amp; race use\u003cbr\u003e• Dampens torsional crankshaft vibrations at all RPM levels\u003cbr\u003e• Protects against engine harmonics\u003cbr\u003e• Direct replacement for the OEM unit\u003cbr\u003e• Four-rib and five-rib serpentine belt drives\u003cbr\u003e• 5% Overdriven\u003cbr\u003e• Utilizes factory serpentine belt set-up\u003cbr\u003e• Laser-etched timing marks\u003cbr\u003e• SFI 18.1 Safety Certification and are approved for competition use\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eSpecs:\u003c\/span\u003e\u003cbr\u003e• Shell Material: Aluminum, Part #916883 5% Overdriven\u003cbr\u003e• Hub Material: Steel, Part #916884\u003cbr\u003e• Inertia Weight: 2.2 LBS, 3-Ring\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eDamper:\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eDiameter:\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eWeight:\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"404040\"\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eEJ20 EJ22 EJ25\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003e917991\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003e5.5\"\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003e6.0 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/stmtuned.com\/collections\/ati-damper-products\" style=\"color: #afafaf;\"\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: .8em;\"\u003e See more ATI Dampers\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/a\u003e","brand":"ATI Dampers","offers":[{"title":"Default Title","offer_id":50565034738006,"sku":"ATID-917991","price":466.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/9531\/8102\/files\/917991-ati-super-damper-subaru-ej-wrx-sti-1.jpg?v=1749222485","url":"https:\/\/www.speed-addicts.com\/en\/products\/917991-ati-super-damper-subaru-ej-wrx-sti","provider":"Speed Addicts","version":"1.0","type":"link"}