Fluidampr Harmonic Balancer Crank Pulley for Evo 8/9 (610701)




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Fluidampr harmonic balancer crankshaft pulley for USDM Evo 8/9 models. This balancer helps to reduce destructive crankshaft torsional vibration lessening the wear on critical internal engine components.

Vehicle Fitment:
2003-2006 Evolution VIII IX USDM

JDM Notes:
The Evo 4/5/6/7 models do use a different OEM pulley and we have not confirmed whether this Fluidampr pulley will work with JDM models. Please do additional research if necessary.

Part Number: 610701
OD: 6-1/8"
Bore Diameter: 1.7328"
Length: 1.779"
Weight: 6.8 pounds
Rotating Weight: 4.5 pounds
Finish: Black Zinc Chromate

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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Customer Reviews

Based on 8 reviews
Arnaldo Urena (Bridgeport, CT, US)


Amr Megahed (Cairo, C, EG)
Evo 8 fluidampr pulley

Order was great from STM and the product is outstanding 👏 as always from STM..
It is the right place to get your racing parts for your Evo machine

A.M. (Cairo, C, EG)
Fluidampr crankshaft pulley

First impressions is the final 🙌
I love the product..outstanding quality as always..
Thank you STM

Francis (Frederick, MD, US)
Definitely needed!!!

Must have for a built motor, it smoothed out most a good bit of vibrations and was an added piece of mind

Monty Singh (Port of Spain, POS, TT)

Fluidampr Harmonic Balancer Crank Pulley for Evo 4-9 (610701)

Cancer and Reproductive Harm