Fluidampr Harmonic Balancer Crank Pulley for Evo X (570701)




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Fluidampr harmonic balancer crankshaft pulley for the 4B11 Evo X models. This balancer helps to reduce destructive crankshaft torsional vibration lessening the wear on critical internal engine components.

Vehicle Fitment:
2008-2015 Evolution X Mitsubishi 4B11

Part Number: 570701
OD: 5-7/8"
Bore Diameter: 1.1028"
Length: 2.213"
Weight: 7.1 pounds
Rotating Weight: 4.7 pounds
Finish: Black Zinc

STM participated in the testing and results for this product release with our 2014 Evo X!
Tested and delivered up to 70% overall greater crankshaft torsional vibration control above the OE tuned elastomer style harmonic balancer on a near stock engine. Simultaneous testing indicated that the improved efficiency yielded average gains of 2 wheel-horsepower and 2lb-ft torque on a chassis dyno. Larger horsepower and torque increases due to adding a Fluidampr are expected as additional performance modifications are added.

The new Fluidampr performance damper was developed under the ISO 9001:2008 Design and Development certified standards set by parent company, Vibratech TVD, a torsional vibration solutions provider to OEM powertrain manufacturers.

More Info:
Normal stock dampers wear out and engine performance upgrades increase naturally occurring harmful crankshaft torsional vibrations. Install a Fluidampr viscous damper to reduce wear on the main bearings and timing gear, achieve more accurate valvetrain operation and lower the risk of crank failure. Unlike rubber based dampers, Fluidampr automatically adapts to any engine modifications and constantly self-tunes in real time to protect across the entire RPM range. Features precision machined and computer balanced components that never need to be tuned or rebuilt.

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