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ATI 917260

Super Damper Pontiac 2.5L and Small Block Chevy



ATI 917260

Part Number: 085-917260

Super Damper
  • Pontiac 2.5L and Small Block Chevy
  • Aluminum Shell/Steel Crankshaft Hub
  • 6.325" OD
  • Internal Balance
  • 2-Ring
  • $343.99

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    ATI 917260 Super Damper Pontiac 2.5L and Small Block Chevy $343.99

    ATI 917260 Details

    Chevy Aluminum Dampers

    Additional specs for small block Chevy applications:
  • 1.245" Crankshaft
  • Standard Front
  • No Counterbore

  • 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
    Aluminum/Steel
    Quantity
    Sold individually
    Outside Diameter (in.)
    6.325
    Degree Marking Range
    360
    Manufacturer's Part Number:
    ATI917260

    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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