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ATI Super Damper Standard Harmonic Balancers ATI917222
Part Number: ATI-917222
ATI Super Damper Standard Harmonic Balancers
Harmonic Balancer, Super Damper, Internal Balance, Aluminum, Black Anodized, Chevy, Small Block, Each
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Estimated Ship Date: Apr 9, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
ATI917222
Part Type:
Product Line:
Summit Racing Part Number:
ATI-917222
UPC:
800157030086
Engine Balance:
Internal
SFI Rating:
SFI 18.1
Degree Markings:
Yes
Degree Marking Range:
360
Outside Diameter (in.):
7.074
Crankshaft Pulley Bolt Hole Quantity:
Three
Keyway Quantity:
One
Harmonic Balancer Material:
Aluminum
Harmonic Balancer Construction:
Elastomer
Harmonic Balancer Color:
Black anodized
Mounting Hardware Included:
No
Quantity:
Sold individually.
Notes:
1.600 in. crankshaft. 2.280 in. counter bore for use with dry sump systems. 3-ring design, weight is 6.25 lbs. Steel hub average weight is 4.5 lbs.
ATI Super Damper Standard Harmonic Balancers
Patented 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.
Features include:
* Eliminates torsional crankshaft vibrations
* Exceeds SFI 18.1 specs
* Black zinc chromate finished
* OEM equipment on a variety of crate engines
* Tunable, rebuildable, and extremely efficient at all rpm
* Laser-engraved 360 degree timing marks
* Supercharger and power steering drive pulleys available for some applications
Applications
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Some parts are not legal for use in California or other states with similar laws / regulations
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