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ATI Super Harmonic Race Damper - Mitsubishi 4G63 EVO Evolution 8 9 918250

ATI Super Harmonic Race Damper - Mitsubishi 4G63 EVO Evolution 8 9 918250
Item #ATI_918250
Customer Reviews:
Sale Price$399.00
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ATI Performance Super Damper Harmonic
Part Number: 918250

APPLICATION: Mitsubishi Evo 8 & 9 4G63 (2003-2006)

ATI has designed a 6.325É_Ě 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 É__damper within a damperÉ_Ě 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.


  • Eliminates torsional crankshaft vibrations
  • Exceeds SFI 18.1 specs
  • Laser engraved timing marks
  • Black zinc chromate finish

Aluminum Shell
6.325" OD
2 Ring
Total Weight: 3.30 lbs
Inertia Weight: 1.97lbs

Customers Say...
  • No matter what car I buy, everything I ever need is in stock, and the prices are unbeatable.

    -Louis Nistico Jr./Connecticut

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