{"product_id":"ati-super-damper-standard-harmonic-balancers-ati917740","title":"ATI Super Damper SFI 18.1 Harmonic Balancer - 7.074 in OD - Black Oxide - External Balance - Big Block Chevy","description":"Suit BB Chev, External Balance\u003cbr\u003e\u003cbr\u003eDAMPER - 7.074 - ST - CHEVY BB - MARK IV \/ GEN 5 \/ 454 - 502 - EXT BAL - 3RG - 1PC\u003cbr\u003e\u003cbr\u003ePatented ATI Super Damper standard harmonic balancers are the only crankshaft dampers designed exclusively for high performance engines. Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. The inertia weights have six (2-ring design) or eight (3-ring design) computer-machined grooves to retain the proper durometer O-rings (dyno tested for each application). Whether you race or just drive on the street, ATI harmonic balancers are the perfect choice. \u003cbr\u003e \u003cbr\u003eFeatures include: \u003cbr\u003e \u003cbr\u003e* Eliminates torsional crankshaft vibrations \u003cbr\u003e* Exceeds SFI 18.1 specs \u003cbr\u003e* Black zinc chromate finished \u003cbr\u003e* OEM equipment on a variety of crate engines \u003cbr\u003e* Tunable, rebuildable, and extremely efficient at all rpm \u003cbr\u003e* Laser-engraved 360 degree timing marks \u003cbr\u003e* Supercharger and power steering drive pulleys available for some applications \u003cbr\u003e","brand":"ATI Performance Products","offers":[{"title":"Default Title","offer_id":49263480045795,"sku":"ATI-917740","price":1003.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/2f30d3bd70b34b709e7b5d09b62ded2d_e53da0a9-43d8-48ae-8c48-cd51372e8cda.jpg?v=1782260429","url":"https:\/\/fastlanespares.co.nz\/products\/ati-super-damper-standard-harmonic-balancers-ati917740","provider":"Fast Lane Spares","version":"1.0","type":"link"}