ATI Super Damper Harmonic Damper (Includes Crank hub) Part Number: ATI 918582

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
• Power steering pulley is 11% UD.

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).

Specifics:

• Aluminum Shell
• 4 & 5 Rib
• w/PS Pulley  (The PS Pulley Is A 4PK Design Making It Cross Compatible with S14/S15  I.E: Running a 3PK Belt On The 4PK Pulley Is Fine)
• 5.5" OD
• 3 Ring
• Total Weight 3.60lbs
• Inertia Weight 2.27lbs

Application:
S13 Silvia "SR20DE"
​S13 Silvia "SR20DET"
RPS13 180sx "SR20DE"
​​RPS13 180sx "SR20DET"
S14 Silvia 200sx "SR20DE"
​S14 Silvia 200sx "SR20DET"
S15 Silvia 200sx "SR20DE"
​S15 Silvia 200sx "SR20DET"

918582