Super Damper® Harmonic Dampers
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
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ALUMINUM SHELL
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OUTER DIAMETER
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7.053" OD
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7.074" OD
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6.78" OD
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6.325" OD
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5.5" OD
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2 RING
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3 RING
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2 RING
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3 RING
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2 RING
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3 RING
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2 RING
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3 RING
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TOTAL WEIGHT
INERTIA WEIGHT
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5.25 lbs
3.50 lbs
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6.25 lbs
4.50 lbs
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5.45 lbs
3.70 lbs
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5.00 lbs
3.40 lbs
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4.5 lbs
2.4 lbs
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4.3 lbs
2.2 lbs
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3.90 lbs
2.40 lbs
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3.30 lbs
1.97 lbs
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3.60 lbs
2.27 lbs
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DAMPER ASSEMBLY PART NUMBERS (includes crank hub)
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RB26
6 CYL
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STREET: Up to 750HP
R32 - DIRECT BOLT ON U/D
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918599
[1]
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STREET: 1000HP
R32 - DIRECT BOLT ON U/D
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917752 [2]
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STREET: Up to 750HP
R33 & R34- DIRECT BOLT ON U/D
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918598
[1]
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STREET: 1000HP
R33 & R34 DIRECT BOLT ON U/D
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917753 [2]
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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).
Nissan Dampers
[1] 16% UD for power steering. AC, water pump and alternator are all 6%UD.
[2] 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.
