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ATI 917941

Super Damper AMC 304-401

ATI 917941

085-917941

made in usa
jegs shipping
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ATI 917941 Super Damper AMC 304-401 $396.99
Super Damper
  • AMC 304-401
  • Steel Shell/Steel Crankshaft Hub
  • 6.325" OD
  • Internal Balance
  • 3-Ring

  • Specifications:

    Mounting Hardware Included
    No
    Engine Balance
    Internal
    Degree Markings
    Yes
    Safety Rating
    SFI 18.1
    Harmonic Balancer Construction
    Elastomer
    Harmonic Balancer Finish
    Black zinc chromate
    Harmonic Balancer Material
    Steel
    Quantity
    Sold individually
    Outside Diameter (in.)
    6.325
    Degree Marking Range
    360
    Manufacturer's Part Number:
    ATI917941

    ATI's patented Super Damper is the only harmonic balancer developed exclusively for high-RPM performance engines (6000+ RPM). Its proven elastomer design is 2-in-1: a 4" diameter damper and a 7" diameter damper in two shells that bolt to the crank hub.

    Inner and outer shells are aluminum or steel to contain the steel inertia weight. The inertia weight has eight computer-machined grooves to retain the proper durometer O-rings (installed at ATI and dyno tested for each application). O-ring life has been tested in Winston Cup competition over two million cycles and in drag racing engines for 10 years (exceeds SFI 18.1 specs). Units can be rebuilt by installing new O-rings. Shells have a black zinc chromate finish with computer-controlled, laser-engraved 360° timing marks.

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