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  • ATI Race Series Harmonic Damper | 1G / 2G DSM & Evo 8/9
  • ATI Race Series Harmonic Damper | 1G / 2G DSM & Evo 8/9
  • ATI Race Series Harmonic Damper | 1G / 2G DSM & Evo 8/9
  • ATI Race Series Harmonic Damper | 1G / 2G DSM & Evo 8/9
  • ATI Race Series Harmonic Damper | 1G / 2G DSM & Evo 8/9
  • ATI Race Series Harmonic Damper | 1G / 2G DSM & Evo 8/9

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    ATI Performance Products

    ATI Race Series Harmonic Damper | 1G / 2G DSM & Evo 8/9

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    Mitsubishi Super Damper Harmonic Damper

    ATI has designed a 6.325” damper -- Part # 918250 -- for the Mistubishi Evolution VIII & IX 4G63 for high horsepower street & race use. This new design is a direct replacement for the stock OEM damper. The heart of this unit is the tried and true “damper within a damper” design that has put ATI ahead of the rest. The outer shell is machined to utilize the factory serpentine belt set-up and mounts to the factory crank via a custom hub which replaces the stock timing gear. The damper's outer diameter is 12% larger than OEM. The factory lower timing cover will need to be trimmed for hub clearance.

    ATI has also designed a 6.325” damper -- Part # 918251 -- for the Mistubishi Eclipse, DSM 4G63 & 4G64 for high horsepower street & race use. This new design is a direct replacement for the stock OEM damper. The outer shell is machined to utilize the factory belt set-up and mounts to the factory crank via a custom hub which replaces the stock timing gear. The damper's outer diameter is 12% larger than OEM. The factory lower timing cover will need to be trimmed for hub clearance.

    Features

    • Eliminates torsional crankshaft vibrations
    • Exceeds SFI 18.1 specs
    • Black zinc chromate finished
    • Laser engraved 360° timing marks
    • Damper hub and lower timing gear is made into 1 piece for strength. Also requires trimming of the lower timing cover for clearance

    • DSM - Timing marks at TDC, 5°, 10°, 15°, 20°, 25°, 30° with clockwise rotation
    • EVO - 12% OD from OEM. For correct belt length, use Carquest/Gates K060715

    Benefits

    • Tunable, rebuildable, and extremely efficient at ALL RPM

    Applications

    • 1990-1999 1G / 2G DSM
    • 2003-2006 Mitsubishi Evo 8/9

    What's In The Box?

    • (1) Harmonic Damper

    References

    Warranty

    • Manufacturer Standard Warranty

    Mitsubishi Super Damper Harmonic Damper

    ATI has designed a 6.325” damper -- Part # 918250 -- for the Mistubishi Evolution VIII & IX 4G63 for high horsepower street & race use. This new design is a direct replacement for the stock OEM damper. The heart of this unit is the tried and true “damper within a damper” design that has put ATI ahead of the rest. The outer shell is machined to utilize the factory serpentine belt set-up and mounts to the factory crank via a custom hub which replaces the stock timing gear. The damper's outer diameter is 12% larger than OEM. The factory lower timing cover will need to be trimmed for hub clearance.

    ATI has also designed a 6.325” damper -- Part # 918251 -- for the Mistubishi Eclipse, DSM 4G63 & 4G64 for high horsepower street & race use. This new design is a direct replacement for the stock OEM damper. The outer shell is machined to utilize the factory belt set-up and mounts to the factory crank via a custom hub which replaces the stock timing gear. The damper's outer diameter is 12% larger than OEM. The factory lower timing cover will need to be trimmed for hub clearance.

    Features

    • Eliminates torsional crankshaft vibrations
    • Exceeds SFI 18.1 specs
    • Black zinc chromate finished
    • Laser engraved 360° timing marks
    • Damper hub and lower timing gear is made into 1 piece for strength. Also requires trimming of the lower timing cover for clearance

    • DSM - Timing marks at TDC, 5°, 10°, 15°, 20°, 25°, 30° with clockwise rotation
    • EVO - 12% OD from OEM. For correct belt length, use Carquest/Gates K060715

    Benefits

    • Tunable, rebuildable, and extremely efficient at ALL RPM

    Applications

    • 1990-1999 1G / 2G DSM
    • 2003-2006 Mitsubishi Evo 8/9

    What's In The Box?

    • (1) Harmonic Damper

    References

    Warranty

    • Manufacturer Standard Warranty

    Customer Reviews

    Based on 2 reviews
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    J
    J.T.
    Quality Product

    This product is well made and fits perfectly. Was packaged well and arrived with no damage

    L
    L.
    Great purchase experience

    Fast shipping. Great customer service!

    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

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