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92-96 LT1/LT4 ATI Underdrive Super Damper Harmonic Damper
Item #:
PM-747
$449.99
No Discount

This item does not qualify for promotional discounts or wholesale pricing.

In Stock - Ships today if ordered by 3:00 PM ET
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ATI Performance Products, Inc. is proud to introduce its all new Super Damper (Part # 917275) designed for the 1992-1996 Corvette LT1/LT4 engines for both street and high performance racing applications. The new aluminum shell underdrive damper is a direct fit replacement for the stock OEM unit and is capable of handling a wider variety of driving habits specific to individual Corvette owners. The aluminum design eliminates weight while the underdrive is designed to improve engine performance by underdriving the ancillary engine accessories including your alternator, ac compressor and power steering pump.

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.

The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Check out these features:

  • 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
  • 6.78" Diameter
  • 4.75 lbs total weight
  • 6 -rib serpentine pulley design w/10% underdrive

ATI Performance Products, Inc. specializes in producing and maintaining high performance harmonic balancers for street and strip applications. Over the years ATI has earned a reputation for its cutting edge technology, attention to detail, and rigorous testing under race conditions.

ATI Performance Item Number ATI917275

This item is proudly Made in the USA

Installation difficulty: 5

Our technicians have determined that the installation difficulty level of this item is a 5 on a scale of 1-5. Read more about our install ratings here.

Model Years

More Information
Generation C4
Model Year 1992, 1993, 1994, 1995, 1996
Additional Item Information
  • Manufacturer Part Number: ATI917275

ATI Performance

Located just outside of Baltimore, Maryland ATI’s manufacturing facility houses one of the most advanced machine shops in the industry; all machinery operations take place in-house so that total quality control can be maintained. There are more than 30 CNC machines operating in the plant to ensure that ATI customers receive the highest quality performance components available anywhere.

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