SKU: 918250

ATI SUPER DAMPER PULLEY FOR MITSUBISHI EVO 8/9 CT9A 4G63

$795.00

or 4 payments of $198.75 with Info



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Description

Super Damper® Harmonic Dampers

 
Mitsubishi Super Dampers
The patented ATI Super Damper is the only damper designed exclusively for high performance engines.
  • Eliminates torsional crankshaft vibrations
  • Exceeds SFI 18.1 specs
  • Black zinc chromate finished
  • Tunable, rebuildable, and extremely efficient at ALL RPM
  • Laser engraved 360° timing marks


4G63 Evolution 8 & 9 Super Dampers
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. 
 

4G63 & 4G64 DSM (Eclipse, Eagle Talon, Plymouth Laser)
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.
 

Damper Accessories 
Damper Installation Instructions

 

 
ALUMINUM SHELL
CRANKSHAFT HUB
PART NUMBERS
7.074" 6.325" 5.67"
2 RING
3 RING
STEEL
STEEL WITH
INNER SHELL
TOTAL WEIGHT
INERTIA WEIGHT
3.75 lbs
2.20 lbs
3.90 lbs
2.40 lbs
3.60 lbs
2.20 lbs
INTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS
Eclipse DSM - 4G63 & 4G64   [1, 2]      916025 --
Evo 8 & 9 - 4G63   [2, 3]
 
 
916025 --
Evo 10 - 4B11T
3% UD
    -- 916123
RACE VERSION
    916399 --
[1] Timing marks at TDC, 5°, 10°, 15°, 20°, 25°, 30° with clockwise rotation
[2] Damper hub and lower timing gear is made into 1 piece for strength. Also requires trimming of the lower timing cover for clearance 
[3] 12% OD from OEM. For correct belt length, use Carquest/Gates K060715
 
 

Specifications

SKU 918250
Brand ATI RACING
Shipping Weight 6.0000kg
Shipping Width 0.250m
Shipping Height 0.130m
Shipping Length 0.250m
Shipping Cubic 0.008125000m3

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