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["Harmonic Balancer","Nissan RB Series","Nissan Skyline"]
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Super Damper® Harmonic Dampers
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
ALUMINUM SHELL
OUTER DIAMETER
7.053" OD
7.074" OD
6.78" OD
6.325" OD
5.5" OD
2 RING
3 RING
2 RING
3 RING
2 RING
3 RING
2 RING
3 RING
TOTAL WEIGHT
5.25 lbs
6.25 lbs
5.45 lbs
5.00 lbs
4.5 lbs
4.3 lbs
3.90 lbs
3.30 lbs
3.60 lbs
DAMPER ASSEMBLY PART NUMBERS (includes crank hub)
RB26 6 CYL
STREET: Up to 750HP
918599
STREET: 1000HP
917752 [2]
STREET: Up to 750HP
918598
STREET: 1000HP
917753 [2]
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).
[1] 16% UD for power steering. AC, water pump and alternator are all 6%UD.
