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Super Damper® Harmonic Dampers








Oldsmobile Super Damper Applications


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

  Eliminates torsional crankshaft vibrations
  Exceeds SFI 18.1 specs
  Laser engraved 360° timing marks
  Black zinc chromate finished

Inner and outer shells are available in aluminum or steel contain the steel inertia weight. The 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).



Damper Accessories
How to read this chart

 

STEEL SHELLS
ALUMINUM SHELLS
CRANKSHAFT HUBS
7.074" OD
6.325" OD
7.074" OD
6.325" OD
3 RING
3 RING
2 RING
3 RING
2 RING
STEEL
ALUM
STEEL WITH INNER SHELL
TOTAL WEIGHT
INERTIA WEIGHT
8.75 lbs
4.50 lbs
6.00 lbs
2.40 lbs
6.25 lbs
4.50 lbs
5.45 lbs
3.70 lbs

5.00 lbs
3.40 lbs
3.75 lbs
2.20 lbs
3.90 lbs
2.40 lbs
3.30 lbs
1.97 lbs
DAMPER ONLY LESS HUB PART NUMBERS
CHEVROLET FRONT
917010
918940
917030
918850
917020
917000
917070
917050

AVG WEIGHT 2.4 LBS

AVG WEIGHT
.85 LBS
CHEVROLET FRONT FOR HUB WITH INNER SHELL
917011
918942
INTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS
OLDSMOBILE V8 267-455
917830
917831
917840
917841
917810
917880
918800
918790
916760
917850
917851
917820
917890
918820
918810
916770
 
EXTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS
OLDSMOBILE V8 267-455
918480
916760




  How to read this chart
  1. Locate the correct manufacturer's chart
  2. Choose the specific engine application listed down the left side of the chart
  3. Determine if the damper needs to be internally or externally balanced ( external balance dampers are constructed of steel only). Black bars that extend horizontally across the entire chart designate these sections
  4. Determine if you need steel or aluminum shells. Labels for this information are listed across the top of the chart in columns 2 and 3.
  5. Once you have determined the shell material, you need to find the outside diameter (OD) of the desired steel or aluminum shell. Then choose between 2 or 3 rings and the desired weight of the damper.
  6. From the far right section of the chart, select either a steel or aluminum hub for your desired engine application. To determine the correct damper assembly part number that intersects is the correct damper assembly.
  7. Assembly part numbers that are color coded correspond to the pulley mount bolt pattern listed near the top of the charts.
 
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