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Super Damper® Harmonic Dampers
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Mitsubishi 4G63 DSM Super Dampers
- ATI's Super Damper for Eclipse DSM 4G63T, 4G64T engines
- Fits 1st Gen Eclipse, Galant, Eagle Talon, and Plymouth Laser
- High horsepower street & race use
- Dampens torsional
crankshaft vibrations at all RPM levels
- Protects against engine harmonics
- 6.325” diameter, 12% overdriven
- Direct replacement for the stock OEM damper
- Custom timing gear hub
replaces the stock timing gear
- Stock timing cover
must be trimmed for hub clearance
- Laser-etched timing marks at TDC, 5°, 10°, 15°, 20°, 25°, 30°
- SFI 18.1 Certified
for competition use
Specs
- Shell Material: 6.325" Aluminum, two 4-rib drives, 12% Overdriven
- Hub Material: Steel with Timing Gear drive, #916025, 1.263" Bore
- Inertia Weight: 2.4 lbs, 3 ring
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Part # |
Diameter |
Weight |
Price |
Purchase |
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6.325" |
6.30 lbs |
$412.55 |
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Mitsubishi 4G63 Evo Super Dampers
- ATI's Super Damper for Mitsubishi Evo VIII and IX 4G63 MIVEC engines
- High horsepower street & race use
- Dampens torsional
crankshaft vibrations at all RPM levels
- Protects against engine harmonics
- Direct replacement for the stock OEM damper
- 6.325” diameter, 12% overdriven
- For correct belt length, use Carquest/Gates K060715
- Custom timing gear hub
replaces the stock timing gear
- Laser-etched timing marks
- SFI 18.1 Certified
for competition use
Specs
- Shell Material: 6.325" Aluminum, 6-rib drive, 12% Overdriven
- Hub Material: Steel with Timing Gear drive, #916025, 1.263" Bore
- Inertia Weight: 2.4 lbs, 3 ring
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Part # |
Diameter |
Weight |
Price |
Purchase |
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6.325" |
6.30 lbs |
$412.55 |
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Mitsubishi 4B11T Evo X Super Dampers
- ATI's Super Damper for Mitsubishi Evo X 4B11T MIVEC engines
- High horsepower street & race versions
- Dampens torsional
crankshaft vibrations at all RPM levels
- Protects against engine harmonics
- Street Version: Direct replacement for the stock OEM damper
- Street Version: 5.67" Diameter 3% Overdriven belt drive
- Race Version: 7.07" Diameter, no belt drives
- Laser-etched timing marks
- SFI 18.1 Certified
for competition use
Specs
- Shell Material: Aluminum
- Hub Material: Steel 1.0988" Bore
- Inertia Weight: 2.24 lbs
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Application |
Engine |
Part # |
Diameter |
Weight |
Price |
Purchase |
Street Version |
4B11T |
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5.67" |
6.00 lbs |
$370.33 |
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Race Version |
4B11T |
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7.07" |
6.15 lbs |
$382.51 |
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ALUMINUM
SHELL |
CRANKSHAFT
HUB
PART NUMBERS |
| 7.074" |
6.325" |
5.67" |
2
RING |
3
RING |
STEEL |
STEEL WITH
INNER SHELL
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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] |
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916025 |
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| Evo 8 & 9 - 4G63 [2, 3] |
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916025 |
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| Evo
10 - 4B11T |
3% UD |
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916123 |
RACE VERSION |
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[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 |
