ATi 15% underdrive Super Damper 11-up 5.7L, 6.4L Hemi LX-Jeep

  • Model: ATI Performance Products 918487
  • Shipping Cost: 19.95 shipping
  • 1Dropships direct from manufacturer
  • Manufactured by: ATi Performance

$399.95

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ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell.

Harmonic Balancer, Internal Engine Balance, Degree Markings, Elastomer, Aluminum, Black Zinc Chromate, Dodge, Jeep, Chrysler, Each

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 NASCAR 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.

Fits 11-up 5.7L, 6.4L Hemi Dodge Charger, Dodge Challenger, Chrysler 300, Jeep Grand Cherokee, Jeep Wrangler,

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.

Features and benefits:

  • Engine Balance: Internal
  • SFI Rating: SFI 18.1
  • Degree Markings: Yes
  • Degree Marking Range: 360
  • Outside Diameter (in.): 5.670 in.
  • Keyway Quantity: One
  • Harmonic Balancer Material: Aluminum
  • Harmonic Balancer Construction: Elastomer
  • Harmonic Balancer Finish: Black zinc chromate
  • Mounting Hardware Included: No
  • Quantity: Sold individually.
  • Notes: Aluminum 3-ring design outer shell (factory 6-rib) weight is 4.50 lbs. Steel crankshaft hub average weight is 2.4 lbs.

    Not available for shipment outside the continental USA. We cannot ship this to Hawaii, Alaska, or other countries.

    Dropships direct from manufacturer.

    Item Photo


  • This product was added to our catalog on Monday 14 May, 2018.

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