ATi 25% Underdrive Super Damper 4.7L V8, 3.7L V6 Dodge-Jeep

  • Model: ATI Performance Products 918428
  • Shipping Cost: 14.95 shipping
  • 1Dropships direct from manufacturer
  • Manufactured by: ATi Performance


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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, Super Damper, Internal Balance, Aluminum/Steel, Black, Dodge, Jeep, Ram, 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.

Features and benefits:

  • Eliminates torsional crankshaft vibrations
  • Exceeds SFI 18.1 specs
  • Black zinc chromate finished
  • Tunable, rebuildable, and extremely efficient at all rpms
  • Laser-engraved 360 degree timing marks
  • Outside Diameter (in): 6.32 in.
  • 25% Underdrive size.

  • For 4.7L V8 and 3.7L V6 engines only

  • Fits: 00-09 Dodge Durango 3.7L & 4.7L, 02-12 Dodge Ram 3.7L & 4.7L, 00-11 Dodge Dakota 3.7L & 4.7L, Chrysler Aspen 3.7L & 4.7L, 99-10 Jeep Grand Cherokee 3.7L & 4.7L, 06-10 Jeep Commander 3.7L & 4.7L, 02-12 Jeep Liberty 3.7L, 07-11 Dodge Nitro 3.7L

    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.

  • Engine Balance: Internal
  • SFI Rating: SFI 18.1
  • Degree Markings: Yes
  • Degree Marking Range: 360
  • Outside Diameter (in.): 6.320 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: Fits models with bolt on pulley only. Balancer has an aluminum shell/steel hub.

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

    Dropships direct from manufacturer.

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

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