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ATI Super Harmonic Street Damper - Nissan Skyline R33/R34 RB26

ATI 7.053" OD street damper for Nissan R33/34 Skyline RB26 6 cylinder engine for 1000hp application; direct bolt on U/D. Damper includes new billet aluminum water pump pulley for clearance. AC is a 25% OD. Do not use a belt if racing! 3% UD power steering. 10% UD for alternator.

The patented ATI Super Damper is the only damper designed exclusively for high performance engines.

  • Eliminates torsional crankshaft vibrations
  • Exceeds SFI 18.1 specs
  • Black zinc chromate finished
  • Tunable, rebuildable, and extremely efficient at ALL RPM
  • Laser engraved 360° timing marks


Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).


Installation Note: ATI dampers are a 1-thousandths press fit, they do not just slide on like OEM crank pulley. They will need to be pressed onto the crank snout with a damper install kit.

ATI Super Harmonic Street Damper - Nissan Skyline R33/R34 RB26

Regular price Sale $515.00 Sale price MSRP $575.00
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Free Shipping
Free standard shipping applies to this item within the continental United States. Orders shipped to Alaska, Hawaii, Virgin Islands, Canada, Puerto Rico, Guam, and PO/APO/FPO boxes are subject to additional shipping charges.
Ships: 1-5 business days
This is an estimated ship date once your order is placed from JHPUSA. Ship dates do not include weekends and holidays.
Brand:ATI
SKU:917753
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Cancer & Reproductive Harm
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